Which one of the following statements describes a characteristic of amoeboids?
a. they have pseudopods
b. they always live in fresh water
c. they never have a shell
d. they"re animals

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

What's the waste product of electrons and pyruvate combining in fermentation?  

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material