Can someone help plsss

Chewing the gummy bear and crunching the apple would be mechanical. The stomach one would be chemical.

Explanation:

I hope this helps. The mechanical reaction or use would not include producing a new product, or breaking it down into something else. That would be chemical. Because of this, the digestion would have to be chemical. (because it is breaking it down to be made into something new.)

the answer is c. it will give up it's valence electron to the other atom.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.