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Helen [10]
3 years ago
15

Has population growth remained constant throughout human history ? (Environmental systems)

Biology
1 answer:
Schach [20]3 years ago
6 0
No it has grown slowly of the past years
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Which regions of phospholopid molecules are hydrophobic ​
olchik [2.2K]

Answer:

The tails

Explanation:

The tails of the layer reject water, making it harder for things to get in and out of the cell

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3 years ago
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Which of these blood samples most likely came from the left ventricle?
PilotLPTM [1.2K]
Sample A most likely came from the left ventricle, as this is the portion of the heart that receives freshly oxygenated blood to be pumped to different parts of the body. Oxygenated blood is blood that has had oxygen bounded to it by hemoglobin (a pigment made of iron found in red blood cells). The oxidation of this blood by the iron in the hemoglobin gives it the RBC bright red look. This blood containing the bright RBCs in transported to the left ventricle from the lung, after which it is spread throughout the body. Hence, in normal conditions of the heart, the Sample A most likely came from the left ventricle.
4 0
3 years ago
Which of the following is the best definition for the process of photosynthesis?
Ugo [173]

Answer:

The answer to your question is: C

Explanation:

A.) Plants digest sugars to make energy.  This option is incorrect, the process in which plants digest sugars to make energy is called cellular respiration.

B.) Plants use oxygen and glucose to make carbon dioxide.  This option is incorrect, photosynthesis doesn't make carbon dioxide, it use it to make sugar.  

C.) Plants use sunlight and carbon dioxide to make sugars.  This option is correct, photosynthesis is a process that use carbon dioxide to make sugars.  

D.) Plants use sunlight to make chlorophyll and chloroplasts. This option is incorrect, plants use sunlight in the photosynthesis process to make sugars, not to make chlorophyll and chloroplasts.

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3 years ago
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Which disorder is a less severe but chronic form of depression?
choli [55]

Answer:

Persistent depressive disorder.

Persistent depressive disorder, known as dysthymia or low-grade depression, is less severe than major depression but more chronic. It occurs twice as often in women as in men. Persistent depressive disorder (PDD) is a serious and disabling disorder that shares many symptoms with other forms of clinical depression.

4 0
2 years ago
Write a paragraph of 150 words on the subject ‘different ways to protect ozone layer and prevent emission of hazardous gases’ fo
bogdanovich [222]

Answer:

There are a few different steps we can take to protect the ozone layer. As you know, the ozone layer is the layer that protects us from the sun’s powerful UV rays and it also protects us from other harmful things roaming in space. The first thing we can do to protect the ozone layer is reduce the use of natural gases. The gases produced from the natural gases had torn holes in the ozone layer. A way to prevent emissions of hazardous gases Is to switch to renewable energy. Renewable energy is not only easier to access and replace, solar panels and wind energy dont give off harsh and hazardous gases that mess with the ozone layer and the climate.

Explanation:

I don’t know how Many words that is. You can add to it if you feel the need to. I don’t know Hindi, maybe you can translate it on google?

5 0
3 years ago
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