Answer:
Endothermic reactions absorb energy, so the sum of the energy required exceeds the amount that is released. In all types of chemical reactions, bonds are broken and reassembled to form new products.
Explanation:
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Chemical reactions make and break the chemical bonds between molecules, resulting in new materials as the products of the chemical reaction. ... Breaking chemical bonds absorb energy, while making new bonds releases energy, with the overall chemical reaction being endothermic or exothermic.
Answer:
that looks complicated
Explanation:
please do not answer other's question if you don't know the answer
It so should be A.
Mark branliest if it is correct!
A. unconscious
It's A because it controls the involuntary actions like our heart beat or breathing. The actions we aren't consistently remembering to do.