Answer:
Explanation:
Part two of Dalton's theory had to be modified after mass spectrometry experiments demonstrated that atoms of the same element can have different masses because the number of neutrons can vary for different isotopes of the same element. ... Scientists have even developed the technology to see the world on an atomic level!
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Answer:
gametes are sperm and an egg individually. when the gametes come together and fertilize, they form a zygote.
As you move from left to right across a period,the number of valence electrons<span>-increases. </span>
Answer:
True
Explanation:
True. If an animal has attributes to it that help it survive better in an environment, it will survive better than its counterparts who do not have this attribute. More survival = More offspring
Answer:
the answer is longgitudinal