Do work man not fortnite duo questions
Which of the following is causing natural disasters and disrupting communities?
climate change
global infrastructure
alternate energy sources
experimental technologies
i hope this helps! :)
The answer is A which is CLIMATE CHANGE
What is cell differentiation and why is it important
Final answer:
Cell differentiation is a biological process where unspecialized cells become specialized into distinct cell types with unique functions, which is integral for the development and functioning of multicellular organisms.
Explanation:
What is Cell Differentiation?
Cell differentiation is the process by which unspecialized cells become specialized into one of many different types of cells, such as neurons, muscle cells, or epithelial cells. This specialization is crucial for the development of a complex organism, as it allows cells to assume unique structures and functions necessary for the organism's survival. Stem cells are pivotal in this process because they have the potential to differentiate into various specialized cells. The differentiation process is guided by the selective expression of certain genes within a cell's DNA, influenced by transcription factors and other regulatory mechanisms.
Why Is Cell Differentiation Important?
Cell differentiation is essential for the development of the diverse array of cell types found in an organism. It enables the formation of tissues and organs with highly specialized functions. For instance, during differentiation, cells in the ectoderm layer of an embryo may express genes specific to skin cells, leading them to become epidermal cells. These processes are tightly regulated by complex signaling pathways, ensuring that each cell type develops correctly.
How does fertilizer usage, soil degradation, and deforestation all tie in together?
Answer:
Fertilizer usage is linked to the agricultural practice with an aim to enhance the crop yield. Inadequae use of fertilizers however causes soil degradation because these practices overlook the spatial differences in soil fertility status in agricultrual systems. Specifically, not all soils require fertilizer application at the same levels. A recommended approach is that, initially, there should be a proper study of limited nutrients in the soil and thereon only those nutrients should be given at controlled concentrations, which are limited. A major reason is that high concentration of specific nutrients would affect the bioavailability of other nutrients in the long run and could also lead to soil degradation (by affecting soil health status). The microbial population in the soil could also change that are typical for essential biogeochemical cycles. This is a very critical aspect in future future agriculture and to preserve the environment. Deforestation is a condition when the plants are cut excessively for agricultural purposes. If soil degradation continues as discussed above, it would put a reduce the overall proportion of agricultrual land and cutting of naturally grown forests would be required. This would turn the green zones into agricultural zones (in future). This is a pressure on ecosystem and the consequences can be really harsh.
Which storm can reach a greater velocity hurricanes or tornadoes?
Answer:
Hurricane
Explanation:
Storm winds arrive at 74 mph or quicker. Meteorologists state the call relies upon what you're contrasting. While tornadoes might be increasingly exceptional tempests, tropical storms will in general stick around any longer, spread more ground and cause more harm.
Pls help this is just super confusing. Can you dumb it down?
Answer:
A. Aorta
B. Pulmonary Artery
C. Pulmonary vein
D. Left atrium
E. Mitral valve
F. Lift ventricle
G. Right ventricle
H. Tricuspid valve
I. Inferior vena cava
J. Right atrium
K. Pulmonic valve
L. Superior vena cava
Explanation:
Aorta is big artery which takes blood from the heart and gives it to all body. Pulmonary artery carries deoxygenated blood from the heart to the lungs while pulmonary vein carries oxygenated blood from the lungs to the heart. Mitral and tricuspid valves prevent the backward flow of blood in the heart. Superior and inferior vena cava is a big vein which collects deoxygenated blood from all body.
A male cardinal’s red color is an example of a trait affected by natural selection. The females of the species choose mates based on the vibrant colors of the males’ feathers. If females begin using different criteria than feather color when they choose mates, what would most likely happen to the color of the male cardinals over time?
Answer:
it would adapt/change
Explanation:
Answer:
increased variation in the shades of red because there is no advantage in one specific color
Explanation:
Which gaseous giant did Renaissance scientist such as Galileo know about? Select two options
Answer: Jupiter and Saturn
Explanation:
Answer:
Jupiter and Saturn answer edge 2020
Explanation:
Could someone explain (simply) the law of universal gravitation?
Answer:
Explanation:
In its simplest form, Newton's law of universal gravitation states that bodies with mass attract each other with a force that varies directly as the product of their masses and inversely as the square of the distance between them.
Name and describe one advanced trait found in pines and lacking in ferns.
Explanation:
CAN YOU PLEASE EXPLAIN UR ANSWER?
DO YOU MEAN ADVANTAGE OR DISADVANTAGE
Final answer:
Pines possess seeds for reproduction, an advanced trait not found in ferns, as ferns reproduce via spores.
Explanation:
One advanced trait found in pines, but lacking in ferns, is the presence of seeds. Pines are part of the conifers, which are gymnosperms, meaning they have vascular tissue and produce seeds but do not have flowers. Unlike ferns, which reproduce via spores and display characteristics such as large fronds and sori on the underside of the fronds, pines produce seeds in cones, which are modified leaves known as strobili. These seeds enable pines to reproduce without the need for water, an advantage over ferns' spore-based reproduction that requires moist environments for the spores to germinate successfully.
Why is the fusion reaction not currently used to produce energy, especially as it is a "clean" form of energy that does not create radioactive or nuclear byproducts?
A- There are currently not enough fuels for fusion reactions.
B- Fusion reactions are highly endothermic, making them dangerous.
C- Fusion reactions do not yet produce enough energy.
D- The heat it takes to start a fusion reaction is too high to contain.
Fusion energy is not currently used due to the extreme temperatures required for initiation and containment challenges. While it holds the promise of clean energy without substantial radioactive byproducts, a viable containment solution for the high temperatures has not yet been developed. Answer D is correct.
Explanation:The reason why fusion reaction is not currently used to produce energy is because of the extremely high temperatures needed to initiate and sustain the reactions. Unlike uncontrolled fusion, which can be achieved via fusion bombs utilizing fission bombs, controlled fusion for energy production poses a significant challenge. Containment methods such as magnetic fields or focused laser beams are being researched, but a viable, self-sustaining fusion reactor has yet to be developed.
To perform fusion, conditions of high pressure and temperatures (~107 K) similar to those found inside stars are necessary. These conditions are so extreme that no mechanical device can contain the plasma needed for fusion. Therefore, answer D is correct—the heat required to start a fusion reaction is too high to contain with current technology.
How long did dinosaur live on earth?
Final answer:
Dinosaurs first appeared about 225 million years ago and thrived until about 65 million years ago, when they went extinct due to a mass extinction event. They spanned the Mesozoic Era, known as the Age of Dinosaurs, and today, birds are their closest living descendants.
Explanation:
Duration of Dinosaurs on Earth
Dinosaurs first appeared approximately 225 million years ago, during a period known as the Triassic. These magnificent creatures roamed the Earth during the Mesozoic Era, often referred to as the Age of Dinosaurs, which is divided into three periods: Triassic, Jurassic, and Cretaceous. Their reign lasted until about 65 million years ago, marking the end of the Cretaceous period, when they went extinct due to a mass extinction event. This catastrophic occurrence, likely caused by a combination of asteroid impact and volcanic activity, heralded the rise of mammals and eventually led to the existence of humans.
The first dinosaurs began to evolve during the Mesozoic Era, which lasted from about 245 million years ago until their extinction at the end of the Cretaceous period. Throughout the Mesozoic Era, dinosaurs evolved and diversified into a wide array of species, culminating in some of the most impressive creatures to ever walk the Earth, such as the Tyrannosaurus Rex.
After the asteroid impact that created the Chicxulub crater and triggered volcanic eruptions, the once-dominant dinosaurs went extinct, and their disappearance opened up ecological niches for mammals to expand and diversify into the myriad forms we see today. The only remaining descendants of the dinosaurs are the birds, which have thrived and diversified into thousands of species around the globe.
If Straight leaves are dominant to curly and Yellow flowers are dominant to red, what would the genotype of a homozygous straight leaf, heterozygous yellow flowering plant look like?
Question 13 (2 points)
The process of cellular differentiation is a direct result of
a. differential gene expression.
b. morphogenesis.
c. cell division.
d. apoptosis.
e. differences in cellular genomes.
Answer:
a differential gene expression.
1. A cell was poisoned by a substance that destroyed all of its mitochondria. Circle all of the cell
transport processes listed that would still be able to continue.
a. Osmosis
d. Exocytosis
b. Diffusion
e. Pinocytosis
c. Facilitated diffusion
f. Phagocytosis
Answer:
a. Osmosis
b. Diffusion
c. Facilitated diffusion
Explanation:
Mitochondria is the power house of the cell which is responsible for the production of energy from glucose molecules. If they are destroyed, no energy is available for transport of material in or outside of the cell. Only osmosis, diffusion and facilitated diffusion occurs because they are the types of passive transport in which molecules moves from a region of higher concentration to the region lower concentration without the use of energy.
Despite the absence of mitochondria, a cell can still conduct osmosis, diffusion, facilitated diffusion, exocytosis, pinocytosis, and phagocytosis. These processes don't rely on mitochondria for energy as they either use passive transport or acquire energy from the cytosol.
Explanation:In the absence of mitochondria, a cell would still be able to conduct the following transport processes: osmosis, diffusion, facilitated diffusion, exocytosis, pinocytosis, and phagocytosis.
Osmosis is the movement of water across a semi-permeable membrane from an area of lower solute concentration to an area of higher solute concentration. Diffusion is the process where particles spread out from an area of high concentration to an area of low concentration. Facilitated diffusion is a type of passive transport that allows substances to cross cell membranes with the help of carrier proteins.
Exocytosis is the process by which a cell transports secretory products through the cytoplasm to the plasma membrane. Pinocytosis is a type of endocytosis wherein the cell takes in extracellular fluids.
Phagocytosis is a process wherein a cell engulfs a solid particle to form an internal compartment known as a phagosome. These processes do not rely on mitochondria for energy as they use passive transport mechanisms, or in the case of endocytosis, energy from the cytosol.
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PLZ HURRY I DONT WANT AN F. which personal choice slows the cycling of water into the atmosphere?
A. planting trees in a park.
B. choosing reusable products
C. growing a vegetable and flower garden
D. buying products made from rain forest trees
Answer:
The answer is D
Explanation: The less trees there are the more likely there will be a drought.
Personal choice slows the cycling of water into the atmosphere by buying products made from rain forest trees, which is option D, as rain forests play a crucial role in the water cycle, and the more plants, the higher the water content in the atmosphere.
What is an atmosphere?The cycling of water in the atmosphere is a natural process that involves the movement of water between the Earth's surface and the atmosphere and back again. This process is crucial for the maintenance of life on Earth, as it helps to distribute water to different parts of the planet and supports the growth of plants, animals, and humans. The more disturbance there is in the atmosphere, the more the water cycle is disturbed.
Hence, personal choice slows the cycling of water into the atmosphere by buying products made from rain forest trees, which is option D, as rain forests play a crucial role in the water cycle, and the more plants, the higher the water content in the atmosphere.
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10. Chemical changes result in new substances, but physical changes do not. Which process is an example of
a chemical change?
A. chopping a tree
B. cooking a steak
C. heating a cup of tea
D. drying clothes in the dryer
Answer: cooking a steak
Explanation: Cooking a steak actually changes the chemical structure of the steak. This is not the case for the other answers as the source material still holds the same properties
Final answer:
b) Cooking a steak is an example of a chemical change because it alters the molecular structure of the steak by denaturing proteins and creating new substances. Other options like chopping a tree and heating tea are physical changes and don't result in new substances.
Explanation:
An example of a chemical change is option B, cooking a steak. This is because when you cook a steak, the heat causes the proteins in the meat to denature and undergo a Maillard reaction, resulting in changes in color, flavor, and texture. These changes indicate that new substances are being created, which is characteristic of a chemical change.
By contrast, chopping a tree would be a physical change because it merely involves changing the shape or state of the tree without altering its underlying molecular structure. Heating a cup of tea and drying clothes in the dryer are also physical changes, as they involve changes in temperature or state of water (evaporation) but do not result in new substances.
Using the example of burning a candle, the wax undergoes a chemical reaction, transforming it into carbon dioxide and water vapor which means it's a chemical change. Similarly, the burning of gasoline in a car engine or a furnace is a chemical change because it results in the formation of new substances, such as carbon dioxide and water.
What allows water molecules to stick together so they can be pulled upward by the force of transpiration
A scientist notices an increase in the glucose
production in the plants he is studying. What are the
possible reasons? Check all that apply.
Answer:
The plant was exposed to more intense light, and the plant absorbed more carbon dioxide.
Explanation:
As we know the equation of photosynthesis :
Water + carbon - dioxide ----- glucose + oxygen
So, if the plants was exposed to more intense light and The plant absorbed more carbon dioxide, then the glucose level in the plants get increased.
Hence, First and third options are correct.
Answer:
The plant was exposed to more intense light.
The plant absorbed more carbon dioxide.
Explanation:
In the middle of taking that test ;)
Which of the following has the element correctly matched with its description?
Hello. This question is incomplete. It is important that you always provide all the information so that your question can be answered the way you deserve.
The full question is:
"Which of the following has the element correctly matched with its description?
The duodenum is the first section of the small intestine and contains Peyer's patches.
The bile moves upward and backward and pushes the bolus
The bones attaches the liver to the anterior abdominal wall
Tongue toxins prevent water absorption in the large intestine"
Answer:
The duodenum is the first section of the small intestine and contains Peyer's patches.
Explanation:
It is true that the duodenum is the first section of the small intestine where Peyer's patches are located. The duodenum is the place where most of the entire digestive process occurs, in addition, it allows food to mix with bile and digestive juices.
Peyer's patches play an important role in immunological surveillance during digestive processes. This is because it allows the destruction of possible pathogens associated with food, or that interfere with digestion in some way.
which resource is nonrenewable?
A. Sunlight
B. Timber
C. Coal
D. Wind
The nonrenewable resource among the options provided is coal and the correct option is option C.
Coal is a fossil fuel that is formed over millions of years from the remains of plants and is extracted from the Earth's crust. Once coal is extracted and used for energy production, it cannot be easily replaced or regenerated within a short time frame.
Unlike sunlight (option A) and wind (option D), which are renewable sources of energy, coal is a finite resource that is being depleted faster than it can be naturally replenished.
Timber (option B) can be considered a renewable resource if harvested sustainably, as trees can be replanted and regrown.
Thus, the ideal selection is option C.
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ANSWER FOR BRAINLEST
Which statement best describes how geothermal energy is made to make electricity?
what is a Epithelial tissue
Answer:
Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands. They perform a variety of functions that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception
An organism that has adapted to surviving in both salt water and fresh water would be best suited to survive in which aquatic ecosystem ?
A.) the intertidal zone
B.) a river
C.) an estuary
D.) the open ocean
Answer:
Option C, Estuary
Explanation:
An estuary is a geographical entity where the salty water of ocean mixes with fresh water of river. The resulting water is known as brackish water. The brackish water is not as salty as that of ocean and also the salinity level of water rise and fall regularly.
Thus, an organism that is able to live in both salty water and fresh water environment can survive in an estuary.
Hence, option C is correct
Answer:
C. Estuary
Explanation:
Students planted 100 seeds in two different plots of land on the same day. Both plots of land measured 10 square meters. They recorded data for one year. Based on the data in the table, the taller height of the population of plant number two is most likely the result of which of the following factors?
this is the table:
1. oval, black 98 1264 6.6 31
2. round, white 99 1198 6.8 121
A. Success rate of the sprouts
B. The average local rainfall
C. pH of soil in the area
D. Genetic factors of the plants
Answer:
C
Explanation:
they are no were close to Mr. beast, but the ph. of the soil can very in the soil one square yard can be really acidic wile next to it can be neutral measure the ph. from both plots of land compare them and use that info to aid your research
What is the purpose of tRNA
Answer: tRNAs function at specific sites in the ribosome during translation, which is a process that synthesizes a protein from an mRNA molecule. Basically its job it's to transfer the RNA to the rRNA so it can "build" the protein.
Explanation:
Answer:
The purpose of tRNA is to bring amino acids to the ribosome, where they are made into proteins. Hope that helps!
Explain how the circulatory helps maintain homeostasis in a human. Your answer must include which materials are transported in the blood that are vital to the survival of cells and which process they are required for.
Answer:
I have no idea how to help you with this, I'm sorry
The circulatory system is vital for transporting essential materials like oxygen, nutrients, hormones, and waste products, and it plays an important role in immune defense and the regulation of pH, temperature, and osmotic pressure, all of which contribute to maintaining homeostasis in the body.
The circulatory system plays a crucial role in maintaining homeostasis in humans. Homeostasis is the body's way of keeping a stable internal environment despite changes outside the body. Here is how the circulatory system helps in this process:
Transporting Oxygen and Nutrients: Blood carries oxygen from the lungs and nutrients from digested food to all the cells in the body. Oxygen is vital for cellular respiration, a process that provides energy to cells. Nutrients like glucose are necessary for various cellular functions and energy production.
Removing Carbon Dioxide and Waste Products: Blood also helps in removing carbon dioxide, a waste product of cellular respiration, and other metabolic wastes from cells. These waste products are transported to organs like the lungs and kidneys, where they are expelled from the body.
Hormone Distribution: Hormones, which are chemical messengers produced by endocrine glands, are transported through the blood to reach their target organs. These hormones play a role in regulating various bodily functions like growth, metabolism, and reproduction.
Immune Response: Blood transports white blood cells and antibodies, which are vital components of the immune system. White blood cells help fight infection by attacking bacteria, viruses, and other pathogens.
Regulation of pH and Temperature: Blood helps stabilize the body's pH and temperature. Blood proteins act as buffers, helping to maintain the pH within a narrow range. Blood also distributes heat throughout the body, helping to regulate temperature.
Clotting and Wound Healing: When a blood vessel is injured, clotting factors and platelets in the blood help form a clot to prevent excess blood loss and facilitate wound healing.
Osmotic Pressure Regulation: Blood helps maintain osmotic pressure, which is the balance of fluid between the blood and the surrounding tissues. This is important for keeping cells hydrated and functioning properly.
Carbon can be suspended for hundreds
or even millions of years in which of the following
Carbon can be suspended for hundreds or even millions of years in sedimentary rocks.
Option A is correct.
How do we explain?When plants and animals die, their remains can be buried in sediment. Over time, the sediment compresses and turns into rock, trapping the carbon inside and is how carbon gets trapped in sedimentary rocks.
Sedimentary rocks are the most abundant type of rock on Earth. They cover about 75% of the Earth's land surface and are formed when layers of sediment are deposited and compacted over time.
Organic sedimentary rocks are formed from the remains of plants and animals. Examples of organic sedimentary rocks include coal and petroleum.
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completeb question:
Carbon can be suspended for hundreds
or even millions of years in which of the following:
A. sedimentary rocks.
B. Igneous rick
C. Metamorphic Rock
Suppose that a mouse with black fur has both an
allele for black fur and an allele for white fur (Bb).
Based on this information, you can conclude that
the dominant allele must be for fur and
the recessive allele must be for * fur.
Answer: The black fur allele is dominant and the white fur allele is recessive
Explanation: The mouse is black, and the dominant allele will show up. It is still carrying the white fur allele but it is recessive.
You can conclude that the dominant allele is black fur and the recessive allele is for white fur.
We know this because the mouse has black fur. Since dominant alleles will win over recessive alleles, black fur must be dominant since that’s the color the mouse shows.
which arrow represents the change of state described
above?
The diagram shows changes of state between solid, liquid,
and gas. The atoms of a substance gain energy during a
change of state. Before the change, the atoms are close
together and cannot slide past one another. After the
change, the substance can fill its container.
A•L
B•м
C•Ν
D•O
gas
solid
liquid
Answer:
gas
Explanation:
Explain how humans react and adapt to the limited availability of water
NEED ASAP
Answer:
One of the easiest things people can do when water is scarce is limit its use. for example take shorter showers, water your lawns less
Explanation:
Answer:One of the easiest things people can do when water is scarce is limit its use. for example take shorter showers, water your lawns less
Explanation: