Answer:
2x+9 when x equals 3 is 2*3+9
=15
Explanation:

The answer would be B.mountain buildings because uplift is associated with natural makings of the earth
Answer: china
Explanation: i don’t have the numbers but if you search up country with highest population it should tell you. sorry i couldn’t help more :(
Earth's gravity pulls matter downward, toward its center. It pulls precipitation down from clouds and pulls water downhill.