The US Environmental Protection Agency issues a daily report for pollution levels called the . A.
Pollution Advisory Warning
B.
Air Rating Level
C.
Particulates and Pollution Index
D.
Air Quality Index

Please select the best answer from the choices provided.

A
B
C
D

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87

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.

Which are causes of mechanical weathering? (check all that apply) a. acid rain b. plant growth c. animal actions d. carbon dioxide e. pressure release i chose b & e and got the question wrong.