If the half-life of uranium-235 is 700 million years and you have 16 atoms of it, how many half-lives
(700-million-year units of time) will pass before only
1 atom of uranium-235 is left?
A. 7
B. 6
C. 5
D. 4
SUBMIT

the answer is: reproductively

i think i spelled it wrong lol

anyways hope i

-lavira: )

the answer is d.) homologous; have mammary glands

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation:

me and my friend did 2