Name one job of a cell found in a plant leaf

Answers

Answer 1

Answer: The cell wall of the plant cell protects the cells.

Answer 2

Answer: the cell wall of the plant cell protects the cell

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How does the law of conservation of energy relate to the processes going on in the water and in the plants?

Answers

Answer: Matter is not destroyed, only changes forms.

Explanation: Take my answer with a grain of salt, I'm not a genius in this type of stuff but, the law of matter states that matter is not destroyed, only changes forms. This can be applied to photosynthesis because the plants take water and use it to make glucose to eat.

Again, I'm not genius so take my answer with a grain of salt but, hope it at least helps a little.

The law of conservation of energy is a fundamental principle in physics that states that energy cannot be created or destroyed in an isolated system; it can only change forms or be transferred from one part of the system to another. This law applies to various natural processes, including those occurring in water and plants. Here's how it relates to these processes:

1. Photosynthesis in Plants:
- Plants undergo photosynthesis, a process in which they convert light energy from the sun into chemical energy stored in the form of glucose (a sugar) and other organic molecules.
- The law of conservation of energy applies here because the energy in sunlight is transformed into chemical energy within the plant. This chemical energy can be stored and later used for various plant functions.
- Photosynthesis also involves the conversion of carbon dioxide and water into glucose and oxygen, but the total energy within the system remains constant, following the law of conservation of energy.

2. Water in the Hydrologic Cycle:
- The hydrologic cycle involves the movement of water between various reservoirs on Earth, including oceans, land, and the atmosphere.
- Water evaporates from the surface (e.g., from oceans, lakes, and rivers) into the atmosphere due to the input of energy, primarily from the sun. This energy causes water molecules to change from a liquid to a gaseous state.
- When the water vapor condenses in the atmosphere, it releases heat energy (latent heat), warming the surrounding air. This energy is then transferred to the surrounding environment.
- Eventually, the condensed water falls back to the surface as precipitation, releasing the stored energy in the form of heat.

In both of these natural processes, the law of conservation of energy is upheld. Energy is transformed and transferred, but the total energy within the system remains constant.

What are two actions that would cause an increase in relative humidity

Answers

relative humidity increases when the amount of moisture air can hold increases.The increase can be caused by the introduction of more moist air OR a temperature drop of the air/moisture mixture without a loss of moisture. Colder air will hold less moisture than warm air;as the temperature goes down the amount of moisture relative to what the air can hold increases

Answer:

cooler air

Explanation:

What is the difference between endothermic and exothermic reactions?

Answers

Endothermic take in energy.
Exothermic give out energy.

I remember it by imaging that the energy is either 'ENtering' or 'EXiting'.

Hope this helps.

Final answer:

Endothermic reactions absorb energy from the environment and make it cooler, such as photosynthesis in plants, while exothermic reactions release energy into the environment and make it hotter, like burning wood in a fireplace.

Explanation:

Endothermic and exothermic reactions are different in terms of energy absorption and release. In an endothermic reaction, energy in the form of heat is absorbed from the surroundings into the system (reaction). This causes the environment to become cooler. An example would be the process of photosynthesis in plants.

In contrast, an exothermic reaction releases energy into the surroundings. As a result, the environment around an exothermic reaction heats up. An example of an exothermic reaction is combustion, such as the burning of wood in a fireplace.

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What is the difference between conduction and convection?

Answers

These are both ways heat travel. Conduction is when something is touching something i.e. When you touch a hot pan. Convection is heat rising, then cooling so it sinks and heats back up and rises again repetitively i.e. A convection oven (think circulation of heat)

CONVECTION is the transfer of heat from high temperature to low temperature with movement of mass or medium due to temperature difference in the region. Although, convection is a bit similar to conduction, but convection involves movement of substances. Such as wind system in our planet. Air moves due to temperature difference in every part of our planet. Then, CONDUCTION is the transfer of heat, of course from high temperature to low temperature when two objects (such as metals) are in direct contact (without the movement of metals).

Which predator is typically found in Central Africa (but occasionally at geocode 34.043021, -118.2668356) and slays its opponents through a rapid application of venomous strikes

Answers

I believe it is a black mamba.

Potassium has an atomic number of 19.Which of a potassium atom's electrons are its valence electrons?
Select one:
a. Those in the third shell from the nucleus.
b. Those in the second shell from the nucleus.
c. Those in the outermost shell.
d. Those in the innermost shell.

Answers

The correct response would be C. Those in the outermost shell, and of highest electron energy are the valence electrons for potassium.

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A compound contains 70.18 % oxygen by mass. What mass of this compound would be needed to obtain 48.45 grams of oxygen?