A range of healthy body weight relies on a variety of factors including the ratio of height to weight (BMI), skinfold measurements (body fat percentage), and ratio of waist to hips (fat distribution measurement).
Explanation:The factors typically used to determine the range of a healthy body weight include the ratio of height to weight, skinfold measurements, and the ratio of waist to hips.
The ratio of height to weight is also known as Body Mass Index (BMI). It is a useful measure to check if your weight is in a healthy range for your height. This is calculated by dividing your weight in kilograms by the square of your height in meters.
Skinfold measurements are taken to measure body fat percentage. Fat is pinched and measured using calipers at various parts of the body, and a formula is used to calculate body fat percentage.
The ratio of waist to hips or waist-hip ratio (WHR) is a measurement of fat distribution. It helps to identify if more fats are stored around your waist or hips, which could raise your risk for some health problems.
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What happens as more and more carbon leaves other reservoirs and enters the atmosphere?
Question 4 options:
Rocks turn into shells.
Plants run out of air.
The atmosphere heats up.
Volcanoes become less active.
Answer:
The atmosphere heats up as more and more carbon leaves other reservoirs and enters the atmosphere,
Explanation:
During carbon cycle the carbon from the reservoirs is added into the atmosphere in the form of gases.As more and more carbon leaves the reservoirs, it is converted to gases such as carbon dioxide, carbon monoxide etc.Being a green house gas, carbon dioxide traps the heat that re-radiates from the Earths surface and keeps the atmosphere warm.So, when more carbon leaves the reservoir and enters the atmosphere ; the level of carbon dioxide increases and more heat is trapped.This results in heating up of the Earth's atmosphere.What is exceptional about the role of early Polynesian cultures in exploration?
A. They sailed to the Americas.
B. They traveled over 2000 miles by sea.
C. They sailed around the continent of Africa.
D. They were the first to move from one island to the next.
Answer:
They travelled over 2000 miles by sea is exceptional about the role of early Polynesian cultures in exploration
Explanation:
These people have the exceptional talent having the excellency in boat making. And have the ability to sail across the sea with the help of currents, stars and with cloud formation. They have excellency with the highest skill in fishing and farming. Growing of fruit trees, growing of vegetables that also includes the growing of pigs, poultry and dogs. Islanders were having the talent of craftspeople, and cravings of wood, fibre and feathers for creating pieces of power and beauty.
Answer:
B. They traveled over 2000 miles by sea.
Explanation:
Just did the test for Marine Science!
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<Jayla>
what is the plant that get no nutrients called
Answer:
A saprophyte is a plant that does not have chlorophyll and gets its food from dead matter, similar to bacteria and fungi (note that fungi are often called saprophytes, which is incorrect, because fungi are not plants).
Explanation:
BRAINLIEST PLSSS :)
How does this phenomenon occur?
Answer:its a full moon and more light from the sun is bouncing off the moon.
Explanation:
I got no expert explanation though
Which of these factors does NOT play a significant role in cell differentiation?
Answer:
Certain segments of DNA will be lost in the translation process, rendering certain genes obsolete in particular cells.
Explanation:
DNA, RNA, and environmental factors all play significant roles in cell differentiation. While DNA is identical in every cell, evert cell does not express the same genes. In different cells, some genes are turned "on" while others are suppressed or turned "off." The combination of genes expressed allows for cells to differentiate.
(Copied from USATESTPREP)
Maturation does not play a significant role in cell differentiation; rather, the process is governed by the selective expression of genes through transcription factors.
Explanation:The factor that does not play a significant role in cell differentiation is maturation. Cell differentiation is a process where cells become specialized in their structure and function. This process is mainly influenced by the expression of specific genes through the action of transcription factors, which either promote or hinder the transcription of these genes. Factors such as differentiation, specialization, and modification are critical to this process, as they relate to how cells become distinct from one another and undertake specific roles within an organism. However, maturation, while part of the development process of an organism, does not directly dictate or influence the differentiation of cells in the same way that gene expression and transcription factors do.
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Where does anaerobic and aerobic respiration occur???
Anaerobic respiration takes place in the fluid portion of the cytoplasm.
aerobic respiration takes place in the mitochondrial matrix or on the inside of the inner membrane of mitochondria
hope this helps!! :D
HELP! 50 POINTS!! WRITE IN YOUR OWN WORDS!
Evolution is sometimes a controversial topic. Write a paragraph (minimum 5 short paragraphs) including the following:
What is your opinion about evolution?
Do you think there should be a controversy?
Do you think alternatives to evolution should be taught in schools?
Why or why not?
Evolution is sometimes a controversial:
Evolution is the most scientific explanation about how the life forms of earth originated and turned into the form that we see today.
I don’t think there should be a controversy because there is no other explanation that proves to be more logical than the theory of evolution. Evolution is a theory that has several supporting proofs and the theory itself was formed after several years of detailed study and observation.
I don’t think alternatives to evolution should be taught at schools. Alternative theories to evolution are based on various religious beliefs which lack a scientific basis.
Schools should be a place that enables students to do productive scientific thinking and teaching alternatives to evolution wouldn’t be a good idea.
Evolution is a process supported by scientific evidence, and controversies arise when religious or ideological beliefs clash with scientific explanations. Alternatives to evolution, such as creationism or intelligent design, should not be taught in science classrooms as they lack scientific basis.
Explanation:Evolution:
Evolution is the process by which species develop and change over time through natural selection. It is supported by a vast amount of scientific evidence, including fossil records, genetic studies, and observations of evolutionary changes in real-time. While there are still some controversies surrounding certain aspects of evolution, the theory is widely accepted and taught in schools as the main explanation for the diversity of life on Earth.
Controversy:
There should not be a controversy about the theory of evolution itself because it is based on objective scientific evidence. However, debates and controversies can arise when religious or ideological beliefs clash with scientific explanations. It is important to distinguish between scientific controversies, which are resolved through evidence-based discussions, and controversies that arise from personal or faith-based beliefs, which cannot be proven or disproven through scientific methods.
Alternatives in Schools:
Alternatives to evolution, such as creationism or intelligent design, should not be taught in science classrooms as they are not scientifically rigorous or supported by empirical evidence. Science education aims to teach students about factual knowledge and the scientific method, and alternative theories that lack scientific basis do not meet these criteria. However, it is worth mentioning that topics related to religion and philosophy can be addressed in appropriate courses or discussions that focus on these subjects.
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URGENT PLS ANSWER
Which of the following is measured by temperature?
Type of atoms in matter
Type of molecules in matter
Average kinetic energy of particles
Average potential energy of particles
Answer:
Type of molecules in matter
Explanation:
How are invertebrates similar to vertebrates?
Explanation:
they all have a highly developed brain
Each phospholipid is made up of?
Answer:
Each phospholipid is made up of 2 fatty acid molecules, a phosphate group and a molecule of glycerol.
The fatty acid molecules are formed by long chains of carbon and hydrogen.The phosphate group is formed by an atom of the element phosphors which is attached to four oxygen atoms. The fatty acids make the tail and are hydrophobic. The phosphate group makes the head.
Due to their structure, phospholipids are best suited to make the cell membrane in organisms.
Final answer:
Each phospholipid molecule is composed of a hydrophilic head, which includes a phosphate group attached to a glycerol molecule, and two hydrophobic tails, which are the long hydrocarbon chains of fatty acids. These molecules are essential for forming the cell membrane's phospholipid bilayer, crucial for the cell's structure and function.
Explanation:
Composition of Phospholipids
Each phospholipid is a crucial component of cell membranes, consisting of a polar, phosphate-containing hydrophilic head and two nonpolar, long-chain hydrophobic tails. The hydrophilic head group is attached to a glycerol molecule. This configuration is essential for the formation of the cell membrane's phospholipid bilayer, where the hydrophilic heads face outward towards the aqueous environment, and the hydrophobic tails face inward, away from water. The glycerol backbone serves as the anchor for both the hydrophilic head, which includes the phosphate group, and the hydrophobic tails, which are composed of either saturated or unsaturated fatty acids. These fatty acid chains are long hydrocarbon chains that contribute to the phospholipid's insolubility in water.
HURRY!
Pollution can lead to harmful algal blooms in waters off the coasts of southeastern U.S. states. Which problems are associated with harmful algal blooms?
A)increases in the severity and frequency of hurricanes B)poisoning of seafood and collapse of commercial fisheries C)contamination of beaches and sea vessels with pollutants D)decreases in the levels of photosynthesis occurring in ocean waters
Answer:
B!
Explanation:
2. Energy is released when
a. ADP reacts with a phosphate group to form ATP.
b. a phosphate group breaks away from ATP.
c. a plant produces carbohydrates.
d. a battery is recharged.
Answer:
energy is released when a phosphate group to form ATP
ATP is created when a phosphate group and ADP interact. The answer is (a). An ADP molecule is composed of two hydroxyl group, a sugar chain (ribose), as well as the nucleotide adenine.
How do phosphates function in the body?Bone and teeth are created with the help of phosphate. Additionally, phosphorus is a constituent of the a number of essential compounds, including those that the cell needs for DNA, cell membranes, and energy (deoxyribonucleic acid). Phosphorus is a mineral that the body gets from food and excretes in urine & occasionally stool.
What signs indicate an excess of phosphate?A high phosphorus level is frequently an indicator of damaged kidneys. Cause kidney damage (CKD), particularly those with finished kidney disease, are more likely to experience it.
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Aurelie is doing a lab in her chemistry class. Her teacher defined a calorie as the amount of energy needed to raise the
temperature of one gram of water one degree Celsius. Aurelie has measured 300 grams of water into a beaker and
recorded its initial temperature as 20°C
How many calories does Aurelie need to increase the temperature of the water to 25° Celsius? Give your answer in calories and
Calories.
A. 1.500 Calories or 1.50 calories
B. 1.500 Calories or 150.0 calories
C. 1,500 calories or 15.0 Calories
D. 1.500 calories or 1.50 Calories
Answer:
1.50 cal
Explanation:
Given data:
Mass of water = 300 g
Initial temperature = 20 °C
Final temperature = 25 °C
Calories needed = ?
Formula:
Q = m.c. ΔT
Q = amount of heat absorbed or released
m = mass of given substance
c = specific heat capacity of substance
ΔT = change in temperature
Solution:
ΔT = T2 - T1
ΔT = 25 °C - 20°C
ΔT =
Q = m.c. ΔT
Q = 300 g . 4.18j/g. °C . 5°C
Q = 6270 J
J calories:
6270 / 4184 = 1.50 cal
Answer:
15.0
Explanation:
Just trust me
What did Bohr’s model of the atom include that Rutherford’s model did not have?
Answer:
Rutherford described the atom as consisting of a tiny positive mass surrounded by a cloud of negative electrons. Bohr thought that electrons orbited the nucleus in equal orbits.
The answer is in fact Energy Levels. Case closed
4. ***Which of the following particles represents an ion?
a 14 protons, 14 neutrons, and 14 electrons
b. 9 protons, 9 neutrons, and 10 electrons
e 19 pretons, 21 neutrons, and 19 electrons
d. 1 proton, 3 neutrons, and 1 electron
Hey there!
An ion is any atom with an electric charge. This can be negative or positive.
To see which one of these is an ion, first see what causes an electric charge. Positive charges are caused by protons. One proton = one positive. Negative charges are caused by electrons. One electron = one negative. Thus, when the number of protons and electrons are equal, this makes it so there is no overall charge. Thus, to make an ion, the number of protons and electrons must be unequal.
When we look at the answer choice, we can see that the number of protons and electrons are equal for every single choice except for choice b. Thus, your answer is b.
Hope this helps!
You're reading from the journal of a European explorer from the early 1600s. In one passage, the explorer describes sitting on the Atlantic Ocean with little wind. He describes the area as being quite far north of the equator and having high pressure.
In which type of global wind was this explorer sailing?
doldrums
horse latitudes
jet stream
polar easterlies
Answer:
horse latitudes (B) hope this helps
Answer:
Option B
Explanation:
Doldrums are located some 5 degrees away from north while horse latitude is located some thirty degrees away from north latitude and by same degrees from the southern hemisphere. Polar eastariles are cold winds blowing across the Polar Regions and jet stream is fast blowing winds.
Horse latitude is silent winds and the region has high pressure and very little precipitation.
Hence, option B is correct
What is the importance of the genetic code?
Answer:
The genes which code for proteins comprise of tri-nucleotides units which are termed as the genetic code. The translation of the genetic code results in the right kind of protein being formed.
The genetic code is important because it starts the transcription of the right kind of protein and ends it at the right time. Without the genetic code, it would be impossible to form the right kind of proteins. The process of transcription as well as translation would all go wrong due to absence of genetic code.
a student studying primary succesion should foucus on which of these communities
Answer:
A student studying primary succesion should focus on Granite rock.
Explanation:
Primary succession includes the presence of rock and the other elements that break down rocks to form soil and other stuffs.As the student is focusing on the study of the primary succession the main topic would be the granite rock. The other options relate to the later stage of succession like the Mesquite grassland comes after the primary succession stage. Granite rock is the intrusive igneous rock that looks like a granular structure.the curved paths of global winds and surface currents are caused by?
The Coriolis effect bends the direction of surface currents to the right in the Northern Hemisphere and left in the Southern Hemisphere. The Coriolis effect causes winds and currents to form circular patterns. The direction that they spin depends on the hemisphere that they are in.
Final answer:
The curvature of global winds and surface currents is mainly due to the Coriolis effect, while unequal heating of Earth's surface and the shape of ocean basins also play a role.
Explanation:
The curved paths of global winds and surface currents are primarily caused by the Coriolis effect, which is due to the rotation of the Earth. This effect causes moving air and water to turn to the right in the Northern Hemisphere and to the left in the Southern Hemisphere, creating curved paths. In addition to the Coriolis effect, unequal heating of Earth's surface by the sun (more solar radiation at the equator than at the poles) and the shape of ocean basins also contribute to the patterns of surface currents. Together, these factors create distinct wind belts and cause the moving air and water to flow in specific directions.
Note the following values
Protein is 4 calories per gram
Carbohydrates/ sugar is 4 calories per gram
Fat is 9 calories per gram
It’s is recommended for most adults that carbohydrates make up 45-65% of their diet, proteins make up 10-35% of their diet and fats make up 20-30% of their diet . Does debs diet meet these recommendations? Support your statement with calculations.
No, her diet does not. She is currently eating 128.52 calories each for protein, 289.17 calories from fat, and 1,413.44 calories from carbohydrates. This means she is consuming 6.6% of her diet from protein, 14.9% of her diet from fat, and 73.2% of her diet from carbohydrates.
Answer: No, her diet does not. She is currently eating 128.52 calories each for protein, 289.17 calories from fat, and 1,413.44 calories from carbohydrates. This means she is consuming 6.6% of her diet from protein, 14.9% of her diet from fat, and 73.2% of her diet from carbohydrates.
13. Lichens and mosses are the first organisms to grow
in an area. Over time, grasses and shrubs will grow
where these organisms have been. The grasses and
shrubs are able to grow in the area because the lichens
and mosses
A. synthesize food needed by producers in the area
B. are at the beginning of every food chain in a
community
make the environment suitable for complex plants
(D. provide the enzymes needed for plant growth
After a volcanic eruption, the order of succession in the re-population of the area is Lichens → grasses → shrubs → trees.
What is the Ecological succession?The process of change in the species structure of an ecological community over time is known as ecological succession. Lichens are considered a self-sustained miniature ecosystem of themselves.They can grow themselves in any condition.
After lichen, grasses can be grown and, then shrubs and trees. This is referred to as the treeless regions found in the Arctic region and it is characterized by the presence of a windy and cold climatic system which doesn't favor the growth of tall plants.
Perma frost on the other hand is referred to as a permanently frozen layer on or under Earth's surface and it establishment of tree due to the soil not being suited for a long and deep pattern of root system.
Therefore, After a volcanic eruption, the order of succession in the re-population of the area is Lichens → grasses → shrubs → trees.
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Lichens and mosses are pioneer species that help make the environment suitable for subsequent plant growth by breaking down rock into soil and enriching the soil with nutrients, such as nitrogen, through their symbiotic relationships with cyanobacteria.
These organisms are known for being the first to colonize areas of bare rock or soil after an event that leaves an area barren. Lichens, which are symbiotic associations between a fungus and a photosynthetic partner like algae or cyanobacteria, are capable of leaching nutrients from substrates and helping in soil formation. Similarly, mosses establish relationships with nitrogen-fixing cyanobacteria, contributing nitrogen to the soil, making it more hospitable for subsequent plant growth including grasses and shrubs.
why can a more complex sugar polysaccharide store more energy than a monosaccharide
A: polysaccharide weigh less than monosaccharide
B: polysaccharide contains carbon atoms
C: polysaccharide have more chemical bonds
D: polysaccharide are made by the sun
Answer:
C: polysaccharide have more chemical bonds
Answer:
The answer is C.
C. Polysaccharide have more chemical bonds.
Explanation:
Microscopic droplets of water in the air grow larger as water vapor continues to condense . What might happen next
Answer:
Clouds are formed.
Explanation:
When water evaporates from the surface of the water bodies it rises up where it faces colder temperature.Water vapor condenses to form tiny droplets of water.As these droplets combine together they form a heavier mass of water droplets.These forms the rain bearing cloud.When these clouds get laden with water the water droplets fall as rain.Answer:
Clouds- rain
Explanation:
In what possible scenario would the female birds evolve to having the singing trait? (5 points)
Explanation:
I'm sure the scenario was that the "male songbird " was faced with more females than males.. so the FM's would search 4 the depleted males. (like the status of m/FM in Austrailia).
Answer:
A possible scenario in which the female birds evolve to having the singing trait would be if the number of predators of that bird species depleted in the area. In this particular species of bird, the females have evolved to be non-singing for the sole purpose of avoiding detection by predators. So if the predators are no longer a valid threat, then there is no longer any use for the non-singing trait.
Explanation:
An atom has 8 protons, 9 neutrons and 8 electrons. What is the mass of this atom?
Question 11 options:
8 amu
9 amu
17 amu
16 amu
Giving 33 points ^^ will give brainly :P
Answer:
use search!
Explanation:
Which group is least likely to be concerned about potential long-term side
effects of genetically modified (GM) food?
Answer:
The starving child is least likely to be concerned about potential long-term side effects of genetically modified (GM) food
Explanation:
The GM food are prepared by isolating the strands of DNA using various methods genetic engineering. A smaller defect in the strand can even become risk to life. Which first affects the starving children, various cases has been noted in the same reason. Proper testing should be done before the introduction. Testing should be done with respect to the toxicity, allergenicity, and possible transfer of the gene in the human or can also be said as the genetic out-crossing to other organism.
PLEASE Help I will make u the brainliest if right
Answer: I think it's B
Explanation:
What is the difference between multicellular and unicellular?
Answer:
MULTICELLULAR-means many cells whereas UNICELLULAR means one cell
Explanation:
Multicellular organisms have specialized cells forming tissues and organs, while unicellular organisms consist of a single cell.
Multicellular organisms are composed of multiple cells with different shapes and specific organization, forming tissues and organs. On the other hand, unicellular organisms consist of a single cell, like bacteria and amoebae, and do not have specialized tissues or organs.
Development in multicellular organisms involves producing various cell types and organizing them into tissues and organs, requiring a complex developmental process. In contrast, unicellular organisms do not have this level of cell differentiation.
What happens when heat is added or removed from an object
Answer:
Adding energy (heating) atoms and molecules increases their motion, resulting in an increase in temperature. Removing energy (cooling) atoms and molecules decreases their motion, resulting in a decrease in temperature. Energy can be added or removed from a substance through a process called conduction.
Explanation:
Answer:
It melts or expands, when heat is removed, the opposite happens
Explanation:
This is rivalry or competition between individuals of different species within a specific habitat.
Answer:
Interspecific competition
Explanation:
Competition between individuals of different species is known as interspecific competition. In such competition for a limited resource, organisms with suitable structural and behavioural adaptations survive while others without such adaptations may die out or migrate. Competition is severe if the ecological niches of competing organisms are close.