Dont answer if your not 100% sure its correct which of the following is used as evidence in supporting the idea that life changes over time? a) the big bang theory b) the existence of homologous structures c) the similarity in body systems such as nervous and circulatory system d) time period in which the embryo develops

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

In which part of the body is a ball-and-socket joint found?

Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart