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rusak2 [61]
4 years ago
6

How were the Great Lakes formed?

Chemistry
1 answer:
Kipish [7]4 years ago
5 0
The answer is a because the other ones don’t make sense
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What is the molecular formula for a compound with an empirical formula of CH2O if its experimentally determined molecular weight
NNADVOKAT [17]

Answer:

C6H12O6.

Explanation:

Adding up the relative atomic masses of the elements

C + 2H + O

= 12 + 2*1 + 16.

= 30.

180 / 30 = 6  so the molecular formula is:

C6H12O6.

3 0
4 years ago
Which statement best describes how her tissue are responding to he running​
bija089 [108]

Answer:

When Kristen is running and her breathing rate increases, the statement that best describes how her tissues are responding to her running is that they need more oxygen to function, so gas exchange needs to increase.

Explanation:

Options for this question are:

They need more oxygen to function, so gas exchange needs to decrease.

They need more oxygen to function, so gas exchange needs to increase.

They need more carbon dioxide to function, so gas exchange needs to increase.

They need more carbon dioxide to function, so gas exchange needs to decrease.

Physical activity in a person requires an adequate supply of nutrients and oxygen to the tissues, to ensure the production of energy in the form of ATP, obtained from cellular respiration.

A physical exercise implies an increase in the skeletal muscle's ATP demand, so both glucose and oxygen consumption will be higher, which implies an increase in breathing rate to increase lung gas exchange and oxygen bioavailability.

Explanation:

6 0
3 years ago
The number of polar covalent bonds in<br> NH₃ is?
bija089 [108]

Answer:

There are three covalent bonds existing between NH3. .

4 0
4 years ago
Do drugs affect the mind?
arlik [135]

The answer is Yes, drugs affect the mind.  

Drugs affects various parts of mind differently , drugs can slow down or speed up the central nervous system. Drugs effects brain areas that are important for life sustaining activity and some drugs also become addictive.

The part of brain that is important for positive forms of motivation, Basal ganglia ,that got affected by overdose of drugs that beside that drug nothing can be pleasurable for the person who is taking the drug .

3 0
3 years ago
Describe how energy from the sun is transformed into different forms that can power our bodies.​
kondor19780726 [428]
The sun grows plants, animals eat plants, we eat animals giving us energy
4 0
3 years ago
Read 2 more answers
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