Answer:
(1.) Unstable atoms release particles.
(2.) The radioactive decay of an element occurs at a constant rate.
(4.) At one half-life, half of the original unstable element has decayed.
Explanation:
The other answer was incorrect and after putting those answers in, it corrected itself to A, B and D.
A. These two terms mean the same thing and describe plants that are created by additions or deletions to DNA
The first one is banna's,the second one is the last answer's and the third one is industry.
There may be more, but some types of refugees are:
War
Social
Religious
Political
Racial
Which of the following is a factor that determines the composition of magma?<span>
C. Viscosity
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