Carl crumbled a piece of paper before throwing it into the trash can. which is true about the paper after it was crumbled? it's mass was changed. it's form was changed. it's density was changed. it's weight was changed

Once a woman attains puberty, her overuse mature and release one egg per ovarian cycle. which hormone stimulates this event?

Does mitochondria still meet the definition of a eukaryote why or why not?

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