WILL MARK BRAINLEST, TO WHO ANSWERS FIRST WITH THE CORRECT ANSWER A student explains the Nebular theory of formation of planets as follows.

"A cloud of gas and dust in space, called nebula, began to rotate and condensed into a flattened disk. Gravitational force pulled the gas and dust closer together. This resulted in the nuclear fusion of gases and dust to create the sun and planets at the outer flattened portion of the disk."

What is the flaw in the student's explanation?

nuclear fission created the sun and planets

the nebula evaporated instead of condensing

the sun was formed at the center of the nebula

gravitational forces kept the gases well separated

hi i’m going crazy about going tomorrow and i’ll tell you what i’m doing and i wanna is a way ya

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.

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.