Greg can't remember how tall his 9-month-old niece is. He guesses that she is 100 cm tall. Which of the following is true? Age (months)

Height (cm)

3 61.1
6 67.8
9 72.3
12 76.1

A.
Based on the data, Greg's guess is reasonable.

B.
Based on the data, Greg's guess is not reasonable.

C.
Based on the data, Greg's niece should be around 61.1 cm tall.

D.
Based on the data, Greg's niece should be around 76.1 cm tall.

Me with this and you will be marked brainliest

Complete these sentences. if a roller coaster train has a potential energy of 1,500 j and a kinetic energy of 500 j as it starts to travel downhill, its total energy isj. once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 j, and its potential energy decreases to j. when the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isj.

Ascientist wants to test ways to reduce pollution in lake . what is the bestway of doing this