This is science they dont have the selection for science Which option describes mechanical weathering?
Select one:

1.Carbon dioxide combining with water.

2.The freezing of solid matter.

3.Acid rain falling to the ground.

4.Rocks being broken apart.
answer ASAP timed test!!! I will mark brainliest for who ever answers 1st and correct!

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation

How does this experiment explain why it is often milder in areas such as coastal maryland while areas such as kansas or iowa have more extremes in temperature

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home. what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point