Many of our basic biological functions, such as breathing, exist at the level. a. preconscious b. nonconscious c. unconscious d. conscious

Option (B) is the correct answer.

Explanation:

Things that we do without awareness are known as non-conscious things.

For example, we do breathe even when we are sleeping.

Therefore, breathing is a thing that we do at non-conscious level.

Thus, we can conclude that many of our basic biological functions, such as breathing, exist at the non-conscious level.

i think that c)gold was found there

but i am not sure

propane is burned to provide the heat in many cooking grills. the chemical reaction for this process is shown in the equation below.

c3h8 + 5o2 ? 3 co2 + 4h2o + energy

what are the products in this chemical reaction?

3co2 + 4h2o + energy