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3 years ago

Photosynthesis is very important to us. Name 3 different types of ways you benefit from photosynthesis each day

Chemistry

1 answer:

Novay_Z [31]3 years ago

5 0

Breathing as photosynthesis releases oxygen
food as photosynthesis helps the plant to grow

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What is the scientific notation for 5,098.000

Anon25 [30]

The scientific notation for 5,098.000 is 5.098000*10^(3).
Here the number also has 7 significant figures.
Hope this helps~

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2 years ago

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What ion or part of a water molecule is associated with an acid?

mel-nik [20]

Hydrogen, hydrogen ion (H+) is associated with acids

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2 years ago

Iron is biologically important in the transport of oxygen by red blood cells from the lungs to the various organs of the body. I

Aneli [31]

Answer : The number of iron atoms present in each red blood cell are, $1.077\times 10^9$

Explanation :

First we have to calculate the moles of iron.

$\text{Moles of iron}=\frac{\text{Mass of iron}}{\text{Molar mass of iron}}=\frac{2.90g}{55.85g/mole}=0.0519moles$

Now we have to calculate the number of iron atoms.

As, 1 mole of iron contains $6.022\times 10^{23}$ number of iron atoms

So, 0.0519 mole of iron contains $0.0519\times 6.022\times 10^{23}=3.125\times 10^{22}$ number of iron atoms

Now we have to calculate the number of iron atoms are present in each red blood cell.

Number of iron atoms are present in each red blood cell = $\frac{\text{Number of iron atoms}}{\text{Total number of red blood cells}}$

Number of iron atoms are present in each red blood cell = $\frac{3.125\times 10^{22}}{2.90\times 10^{13}}$

Number of iron atoms are present in each red blood cell = $1.077\times 10^9$

Therefore, the number of iron atoms present in each red blood cell are, $1.077\times 10^9$

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2 years ago

The study of Environmental Science includes which of the following?

stepan [7]

Answer:

Hi, There! the Correct Answer is below!

C.)interactions between humans and living and non-living things in the environment

Explanation:

Environmental scientists study subjects like the understanding of earth processes, evaluating alternative energy systems, pollution control and mitigation, natural resource management, and the effects of global climate change. ... Environmental scientists bring a systems approach to the analysis of environmental problems.

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Have a wonderful Day :)

~Darkspirit~

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2 years ago

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Please answer ASAP!!!

Karolina [17]

A. Conducting a drug experiment which will harm lab rats

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2 years ago

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