By process of elimination you can find the right answer. We know for a fact that carbon is found in all living organisms. That is why we talk about carbon based life forms. So the first statement cannot be true. You can figure out how many Valence electrons an element has by looking at the group number. The group number of carbon is 4 so the 2nd statement cannot be true. We know that carbon does bond with other elements because it is not a noble gas and therefore must be able to form compounds.
This means the answer must be they can form up to four covalent bonds
A on the second one . anti biotics can help with the body system.
Its release when it has a phosphate group removed
Question: In the pariental cells, the enzyme carbonic anhydrase causes a reaction between ________ and _________.
Answer: Carbon dioxide and water
Explanation: Carbon dioxide and water are the ones that reacts because of the enzyme carbonic anhydrase.
