Assuming that we can neglect air resistance, which diver is falling the fastest and why? Diver A because he has the least mass and so the force of gravity is acting greater on him.
B
Diver D because he has the greatest mass and so the force of gravity is acting greater on him
OOO
С
All divers are falling at the same rate because the force of gravity is the same for each of them.
D
All divers are falling at the same rate because the rate at which an object falls is independent of mass

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explanation:

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides

answer-

the statement that f(x) = |x+a| + b has exactly one x-intercept is sometimes correct.

solution-

it solely depends on b, whether the function will have one or two or zero x intercept.

this plot of the given function, f(x) = |x+a| + b will be the basic absolute value graph i.e v shape, with vertex translated to (-a, b), instead of origin.

1-   if b is zero, the graph will have exactly one x-intercept, at x= -a

2- if b is positive, the whole graph will be above the x-axis, hence it will have no x-intercepts.

3- if b is negative, the graph will be below the x-axis, hence it will have two x-intercepts.

∴ the statement is sometimes true.