Which statement describes a change that occurs during a chemical reaction? A. Atoms in the original substances are changed into
different atoms to make new substances. B. Atoms in the original substances are arranged in a different way to make new substances. C. The atoms in a substance start to move faster until they are no longer touching each other. D. The atoms in a substance change their properties so they can become a new substance.
B. Atoms in the original substances are arranged in a different way to make new substances.
Explanation:
The best statement that describes a change that occurs in a chemical reaction is that atoms in the original substances are arranged in a different way to make new substances.
Chemical reactions obey the law of conservation of matter.
The law postulates that "matter is neither created nor destroyed in a chemical reaction but they are simply rearranged".
Therefore, atoms of compounds forms new bonds by rearranging to give a new product.
Mendel's gene involved in pea color decides whether the chlorophyll in the pea will be broken down or degraded. When this gene isn't working, the chlorophyll stays around and the pea is green. So in this case the recessive trait is indeed due to a broken gene.
