Not even understanding the question tbh
Mary lives in a region that is close to the equator and is very sunny. She decides to harness solar energy for various purposes. Which of the following will help Mary?
Answer:
photovoltaic cells
Explanation:
Final answer:
Mary can use photovoltaic cells for electricity and passive solar heating for home heating thanks to her sunny regional location. Additional energy storage or grid connections provide energy when solar generation is down. Innovations in solar technology even allow for remote use.
Explanation:
Mary, living in a region close to the equator where it is very sunny, can harness solar energy for various purposes. To maximize efficiency, she can use photovoltaic cells (PV cells) for the direct conversion of solar energy to electricity, which is especially suitable considering they have become more efficient and affordable over time. Using technology that requires concentration of solar power, such as solar thermal systems with curved mirrors to heat up fluids and drive heat engines, can also be beneficial in sunny regions, although this approach is best suited for large, centralized facilities.
For heating, Mary might take advantage of passive solar heating through careful home architectural design, which includes south-facing windows that allow sunlight to heat the thermal mass inside the building, such as rocks or tiles, ultimately distributing warmth throughout the home. Moreover, adopting energy storage solutions or connecting to the grid will ensure electricity availability during the night or on cloudy days when solar generation is insufficient.
Lastly, Mary could explore the innovation of thin and mobile solar materials, which would enable energy collection in remote areas and underprivileged communities, illustrating the versatility and wide applicability of solar technologies in diverse settings.
While visiting Wave Rock in Australia, you observe streaks of minerals present on the landform. What natural process most likely caused the streaking?
Erosion
Deposition
Oxidation
Weathering
Answer:
THE ANSWER IS DEPOSITION
Explanation:
it is deposition because the original rock was broken down and formed into minerals on the wave rock aka the streaks since it was once under the oceon.
Deposition is most likely caused by streaking.
What do you mean by deposition?Deposition is the laying down of sediment carried by wind, flowing water, the sea or ice. Sediment can be transported as pebbles, sand and mud, or as salts dissolved in water. Salts may later be deposited by organic activity (e.g. as sea shells) or by evaporation.
Moreover, deposition is the processes where material being transported by a river is deposited. Deposition occurs when a river loses energy.
Sediment deposition can be found anywhere in a water system, from high mountain streams, to rivers, lakes, deltas and floodplains.
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What does the cell membrane do for the cell?
A cell membrane is a thin layer that acts as a barrier that separates an individual cell or a cellular compartment from other surrounding structures. This dynamic layer plays an essential part in the transport of ions and nutrients.
Your welcome:).
The cell membrane (also known as the plasma membrane or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that separates the interior of all cells from the outside environment (the extracellular space). It consists of a lipid bilayer with embedded proteins.
What is the maximum number of degrees of longitude possible
The maximum number of degrees of longitude possible is 180.
What is longitude?Longitude is a valuable metric used to determine the east or west positioning of a specific place in relation to the Prime Meridian. This significant line, running through Greenwich England serves as an imaginary reference point.
Measured in degrees longitude can span from 0 degrees at the Prime Meridian to an incredible 180 degrees east or west.
Additionally we have the International Date Line, another line of longitude that designates the division between two consecutive calendar days. Specifically located at 180 degrees east of the Prime Meridian it plays a crucial role in timekeeping and global coordination.
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The maximum number of degrees of longitude is 180, which corresponds to the International Date Line, located opposite the Prime Meridian which is defined as 0 degrees longitude.
Longitude is a geographic coordinate that specifies the east-west position of a point on the Earth's surface. It ranges from 0 degrees at the Prime Meridian, which is located at the Royal Observatory in Greenwich, England, to 180 degrees east or west. The maximum degree of longitude, 180°, is represented by the International Date Line, which is on the direct opposite side of the Earth from the Prime Meridian.
Because Earth is spherical, longitude degrees are measured like a circle, totaling 360 degrees. However, this value is split into two equal halves of 180 degrees each, going east and west of the Prime Meridian. The International Date Line is a concept that allows for consistent timekeeping across the globe despite the continuous rotation of the Earth.
what 2 things are produced by neutralization
neutralisation is the process of converting an acid or a base into the pH value 7.The 2 things produced r hydrogen gas and a salt.
acid+base=salt+hydrogen gas.This often occured in your stomach. when you have gastroble you are eating tablets which are base and a reation take place with hydrocloric acid in it
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which organisms transform nitrogen into a form that is useful to plants
k on “Chromosomes and Inheritance”
1. Take the tour titled “What is a Chromosome?” Draw a picture that demonstrates how DNA is coiled into chromosomes:
Once you have your drawing, label the following: Chromatin, Histones, Chromatids, Chromosome, kinetochore
Chromatin is a complex of DNA and proteins found in eukaryotic cells, with the function to pack DNA in more compact shape and to prevent DNA damage. One of the main components of chromatin are proteins called histones. Histones are directly responsible for DNA package to form structures called nucleosomes. Chromatin can be found in its active form-euchromatin (tuned on genes) and inactive-heterochromatin (turned off genes).
Chromosomes are organized structures of DNA which are visible in certain stages of cell cycle (such as metaphase when they are aligned). Every chromosome is copied once during the S phase of the cell cycle. It is then found in an X-shaped structure (centromere is located in the middle of the chromosome and two-arm structures are the original chromosome and the copy -sister chromatids).
of the three lipid types, phospholipids are more similar to fats. TrueFalse
This is false. Triglycerides are lipids you obtain from fat, and are more commonly referred to when talking about fatty build up like cholesterol. Phospholipids are derivatives of triglycerides and are more for insulation of cells.
How are organelles in a prokaryotic cell different from those in a eukaryotic cell
Prokaryotic cells house their DNA in a nucleoid and typically lack membrane-bound organelles. Eukaryotic cells have a true membrane-bound nucleus that houses DNA and contain various membrane-bound organelles allowing for compartmentalization of functions. Despite differences these cell types share common structures like a plasma membrane cytoplasm and ribosomes.
Explanation:This question relates to the differences between organelles in prokaryotic cells and those in eukaryotic cells. Prokaryotic cells generally have their genetic material in the form of DNA, housed in an area called the nucleoid, rather than enclosed within a membrane-bound nucleus as seen in eukaryotic cells. These prokaryotic cells also typically lack the membrane-bound organelles that are abundant in eukaryotic cells.
Despite these differences, both prokaryotic and eukaryotic cells share common structures including a plasma membrane cytoplasm and ribosomes. Interestingly prokaryotic cells can often be differentiated by shape with most falling into one of three categories: cocci (spherical) bacilli (rod-shaped) and spirilli (spiral-shaped).
Eukaryotic cells contain a variety of membrane-bound organelles each with a specific function. The DNA within these cells is housed in a true nucleus enclosed by a double membrane. Owing to their larger size eukaryotic organisms require their internal structures to be separated resulting in a compartmentalization of functions within the cell.
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Earth is made up of four main spheres. The geosphere refers to the rocks, minerals, and natural landforms that make up Earths surface. What do you think makes up the hydrosphere? Why is the hydrosphere important to life on earth?
For Plato Users
The word hydro refers to water. The hydrosphere consists of all rivers, lakes, oceans, glaciers, and groundwater found on Earth. The hydrosphere is important because water is a basic necessity for living things. Also, aquatic life forms rely on bodies of water for their habitat.
All water bodies make up the hydrosphere. Hydrosphere is important to life on earth because it provides aquatic habitat to various plants and animals and water plays an essential role in our daily life.
What is hydrosphere?A hydrosphere is a term used to describe the complete amount of water on a planet. A planet's hydrosphere is often liquid, vapour, or ice. Liquid water exists on the layer within the variety of oceans, lakes, and rivers. What is habitat?"Habitat is a term employed in ecology to explain the gathering of resources, physical and biological characteristics that exist in a very given location to assist a species' survival and reproduction." The five primary habitats include forests, grasslands, deserts, mountains and polar areas, and aquatic habitats. What are aquatic habitats?"An aquatic habitat is one that contains water." It includes both areas that are permanently submerged in water and areas that aren't from time to time.Hence, hydrosphere is made up of water bodies and it provides aquatic habitats to various organisms.
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Choose the FALSE statement about rocks. A. They are natural substances. B. They must form from solid materials. C. They can form above or below ground. D. They are made of one or more minerals.
The answer would be B.
Explanation:
-A is true because they are formed naturally by earth.
-B is incorrect because rocks don't form from solids, the form from sand being compressed for years It's not just solids that make rocks, It's much more. It's water, rocks, compression, etc.
-C is true because, certain rocks form above ground and rocks that are made from lava are above ground.
-D is true because, rocks are made from sand, soil, etc. It's a long process but rocks are made from various minerals.
The false statement about rocks is B. Rocks do not have to form from solid materials as they can form from a variety of materials including minerals, organic matter, and even through solidification of non-solid materials such as magma or lava.
Explanation:The FALSE statement about rocks is B. Rocks do not necessarily have to form from solid materials. In fact, they can form from a variety of materials, including minerals and organic matter, and can also form through the solidification of molten material, like magma or lava, which are not initially solid. Such rocks are known as igneous rocks. A, C and D are all true statements. Rocks are natural substances (A), can form above or below ground (C), and are made up of one or more minerals (D).
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John is testing the effect of temperature on the solubility of sugar in water. He plans to determine the mass of sugar dissolved in a saturated solution. He will begin with a known mass of sugar and add sugar to water until the solution is saturated. He will then calculate how much sugar dissolved by subtracting the remaining mass from the initial mass.
John is conducting an experiment to determine the effect of temperature on the solubility of sugar in water. The experiment involves adding sugar to water until it is saturated and then calculating the mass of sugar dissolved. Solubility is the ability of a substance to dissolve in a solvent, and temperature can affect the solubility of a substance.
Explanation:John is conducting an experiment to determine the effect of temperature on the solubility of sugar in water. He plans to add sugar to water until it is saturated, and then calculate the mass of sugar dissolved by subtracting the remaining mass from the initial mass. This experiment is related to the solubility of sugar in water.
Solubility is the ability of a substance to dissolve in a solvent to form a homogeneous mixture. In this case, sugar is the solute and water is the solvent. When sugar dissolves in water, its molecules become uniformly distributed among the water molecules.
The solubility of a substance, such as sugar, can be affected by various factors, including temperature. By testing the solubility of sugar at different temperatures, John can observe how temperature affects the amount of sugar that can be dissolved in water.
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John's experiment involves exploring the solubility of sugar, a solute, in water, a solvent. Creating a saturated solution, he investigates the temperature dependence of solubility. He calculates the mass of dissolved sugar to measure the effect of temperature on solubility.
Explanation:John's experiment involves exploring the concept of solubility, specifically the temperature dependence of solubility. In solutions, there are usually two components - a solvent, which is the component present in a higher concentration and solutes, that are present in relatively lesser concentrations. In this case, water acts as the solvent and sugar behaves as the solute.
The process he describes involves creating a saturated solution by adding sugar to water until no more sugar dissolves. This condition is achieved when the solution's sugar concentration is greater than the equilibrium solubility at that temperature, making the solution supersaturated.
Moreover, the solubility product represents the product of the solute's concentrations in a saturated solution raised to the power of their stoichiometric coefficients. Therefore, by knowing the initial mass of sugar and the remaining undissolved sugar, John can calculate the mass of the dissolved sugar, which allows him to measure the effect of temperature on the solubility of sugar in water.
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cellular respiration is the process in which glucose is broken down into carbon dioxide and water, releasing cellular energy in the form of ATP to be used for life processes. In which of the following organelles is the energy created?
A. Golgi Vesicles
B. Mitochondria
C. Lysosmes
B. Mitochondria
The mitochondria is where ATP is made, hence why it is often called the "powerhouse" of the cell.
You have just discovered a new organism It is a single cell and has a cell wall but no nucleus what kind of organism is it Explain your answer
it is a prokaryotic cell
What is the basic building block of life
I'm pretty sure it's Cells
Cells are the basic building block of life.
Which portion of the upper mantle forms the lithosphere
Together the crust and upper mantle are called the lithosphere and they extend about 80 km deep.The tectonic plates are made up of Earth's crust and the upper part of the mantle layer underneath
Using the periodic table entry below, how many neutrons does the most common isotope of hydrogen have? 1 2 0 cannot be determined
The answer is; 0
The most common hydrogen atom has one (1) proton and one (electron) but no neutron. This hydrogen isotope is referred to as hydrogen-1 or Protium. This hydrogen composes 99.985% of naturally occurring hydrogen atoms. The other atom, Deuterium, has a neutron in its nucleus. The other isotope is Tritium that has two (2) neutrons in its nucleus.
Answer:
The correct answer is 0
Explanation:
A woman treated her home with a pesticide that kills spiders. The first application killed 78% of the spiders. Two months later she applied the pesticide again but it only killed 45% of the spiders
This is a mathematics problem involving sequential percentage decreases. Applying 78% and then 45% reduction doesn’t equate to a 123% reduction overall but rather two separate percentage calculations.
Explanation:This question appears to be a mathematics question, dealing specifically with the concept of percentages. We start off with a certain number of spiders, and then 78% of them are killed by the first application of the pesticide. This leaves 22% of the original number of spiders. When the woman applies the pesticide two months later, it kills 45% of the surviving spiders, not 45% of the original number. This is a common scenario when dealing with percentages, especially in circumstances where percentages change over time or with each new calculation.
For example, if there were originally 100 spiders, after the first application there would be 22 spiders left (because 100 * 22% = 22). When the pesticide is applied again, 45% of these remaining spiders are killed, leaving only 55% alive. So now, we would have 12 spiders (because 22 * 55% ≈ 12).
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Ana is six weeks pregnant, and her baby is officially in the embryo stage. What does the baby now have?
The baby has a heart beat.
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the golgi apparatus: a. packages cell products b. eliminates waste c. stores dna d. makes energy
It packages proteins
The golgi apparatus package cells.
Correct option is (A) packages cells.
Golgi apparatus is the organelle found in most eukaryotic cells. Its main function is to modifying, sorting and packaging proteins for the purpose of secretion. It also helps in transportation of lipids across the cells.
Hence, option A is correct .
what is meant by scouring
Scouring is the process where by rubbing very hardly, to clean a dirt, specially to make a clean or bright . To carry away the dirt as by current or water , often with off and on away. Especially for the purpose of cleaning; to clean by friction.
example: To scour pots and pans and to scour grease from pots and pans.
Explanation: what does the potins give your or what do you earn??
In the autumn, many birds will collect seeds and then hide them in various caches throughout their habitat. The birds will guard their catches from other birds, and move the caches if they start to dry out. These caches provide a food source for the birds during the winter. What is an abiotic factor that contributed to the evaluation of this set of behaviors? A. Limited food availability B. Being preyed upon by larger birds C. Competition with other birds for space D. Cold winter climate
An abiotic factor that contributed to the evaluation of this set of behaviors is a cold winter climate. Thus, the correct option is D.
What is Habitat?Habitat may be defined as a type of natural environment for which a particular species is best adapted due to natural selection. In other words, it may be defined as the area where the basic demands of an organism are fulfilled such as food, space, and mating partner.
It is the only reason that due to the cold winter climate, many birds will collect seeds and then hide them in various caches throughout their habitat in the autumn season itself.
This is because, in a cold winter climate, it is really tough for birds to find food and store it safely away from predators.
Therefore, an abiotic factor that contributed to the evaluation of this set of behaviors is a cold winter climate. Thus, the correct option is D.
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As a result of climate change Earth's temperature is rising and sea ice is melting what is a likely effect
As a result of global warming, the average surface temperature of Earth is increasing and the sea ice (in the polar regions) is melting, which in turn is effecting the oceans, animals, plants and ecosystems, agriculture, etc.
The Earth's temperature has increased by 1.4 degrees Fahrenheit over a century and is causing the ice to melt in the polar regions. This melting of ice is causing the sea levels to rise which means more heat is absorbed by the water, thus increasing the temperature of the oceans.
These changes in the temperature are making it difficult for many species to survive and some of the animals and plants have already started moving to higher altitudes as a result of this.
Which form of energy increases when a spring is compressed? A. chemical potential energy B. elastic potential energy C. kinetic energy D. radiant energy E. thermal energy
Answer:
Elastic potential energy
Explanation:
The potential energy of a spring is given by :
[tex]U=\dfrac{1}{2}kx^2[/tex]..........(1)
Where
k = spring constant
x = compression or elongation in the spring
When the spring is compresses, elastic potential energy of the spring increase. From equation (1), it is clear that the elastic potential energy of spring is directly proportional to the compression or elongation in the spring.
Hence, the correct option is (b) "elastic potential energy".
Answer:
Answer:
Elastic potential energy
Explanation:
The potential energy of a spring is given by :
..........(1)
Where
k = spring constant
x = compression or elongation in the spring
When the spring is compresses, elastic potential energy of the spring increase. From equation (1), it is clear that the elastic potential energy of spring is directly proportional to the compression or elongation in the spring.
Hence, the correct option is (b) "elastic potential energy".
Explanation:
the structure found in all cells that acts like a barrier of the cell controlling what enters and leaves the cell
Assuming thr materials don't mix, show how the materials would "stack up" in a graduated cylinder. A.rubber, b. Corn oil. C ice. D wood and e. Air
The arrangement of the materials in the graduated cylinder from upper part to lower part has been: Air, corn oil, ice, rubber, wood.
The graduated cylinder has been the measuring cylinder with the volume marks that has been used for the measurement of the volume of solutions.
The samples have been stacked up based on the order of the density, as high density substance will sink in the cylinder, while low density substances are present above.
Stacking in Graduated cylinderThe air has been the lightest substance, and has the lowest density. Thus, it has been present in the top region of the graduated cylinder.
The further arrangement of the materials in the graduated cylinder from upper part to lower part has been:
Air, corn oil, ice, rubber, wood.
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If the contour lines are close together, the slope of the hillside is _____. A. steep B. shallow C. constant
C, the hillside has a constant value.
The sun is 150 kilometers from earth. If you wanted to explain to a friend how far that is, what would you say
Well, this is a trick question. If I am thinking logically, that is a pretty far distance away. Explaining it to a friend, however, means that you would say that then sun is 93.2 miles away from Earth and 492,126 feet away as well. Either way, it is a long distance.
The distance between the Earth and the Sun is approximately 150 million kilometers. To help your friend understand this distance, you can use the example that if the Sun was reduced to the size of a basketball, the Earth would be a small apple seed about 30 meters away from it.
Explanation:
The distance between the Earth and the Sun is approximately 150 million kilometers. To help your friend understand this distance, you can use the example that if the Sun was reduced to the size of a basketball, the Earth would be a small apple seed about 30 meters away from it.
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compared to farms of 100 years ago modern agribusinesses need
fewer workers.
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the simplest organisms are ___
Cell, (tissue,organ,organ system) if thats the type of science it is.