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Doss [256]
3 years ago
8

Select all the corect answers.

Biology
1 answer:
DanielleElmas [232]3 years ago
5 0

Answer:

All living things are made of cells

Cells form from previously existing cells

Explanation:

According to the Cell Theory, all forms of life are composed of one or more cells, whereby cells are the fundamental building blocks in all living organisms. All cells are composed of inorganic molecules (e.g., water) and carbon-based organic molecules (e.g., carbohydrates, lipids, nucleic acids, etc). All the new cells arise from the division of pre-existing cells. Louis Pasteur showed cells would only grow in broth if they are exposed to air (oxygen), thus refuting the idea of spontaneous generation. In multicellular eukaryotic organisms, these cells can be organized in tissues, organs and organ systems.

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What is something you learned about movement across the membrane
emmainna [20.7K]

Answer:

Membrane transport is essential for cellular life. As cells proceed through their life cycle, a vast amount of exchange is necessary to maintain function.

Explanation:

5 0
3 years ago
A hot air balloon has a volume of 15 L when it’s released from sea level, where the pressure is 100 kPa. What will be the hot ai
Lunna [17]

Answer:

65 L

Explanation:

It is assumed that the temperature is constant at both the sea level and the altitude.

<em>According to the gas law, at constant temperature, the pressure of a gas is inversely proportional to its volume.</em> Mathematically:

P1V1 = P2V2 where P1 = pressure at initial volume, V1 = volume at initial pressure, P2 = pressure at final volume, and V2 = volume at final pressure.

In the illustration, V1 = 15 L, P1 = 100 kPa, V2 =?, P2 = 23 kPa

V2 = P1V1/P2 =  100 x 15/23 = 65.22 L

<u>The volume of the hot air balloon at the altitude would be 65 L</u>

5 0
3 years ago
What causes differences in air pressure? the windchill factor the horizontal movement of air the speed at which wind moves the u
musickatia [10]
The unequal heating of the earths atmosphere
4 0
3 years ago
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Why couldnt water vapor have come to the earth when it was created?
lys-0071 [83]

Answer: The answer is B

Explanation:

A is not practically possible as mars is such a great distance away

C water of course wasnt around in earth at the time but other planets did have water so this isnt an accurate answer

D cracks me up, Hydrogen was the first element in space after the Big Bang this is also an in accurate answer

4 0
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Which macronutrient is vital for every function of the body?
valkas [14]

It is not C. I got it wrong. It is A water!


4 0
3 years ago
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