PLZ HELP ASAP I WILL GIVE BRAINLIEST, thanks!!
1. Which of the following is an example of chemical weathering?
A stream rounds and smoothes rocks into pebbles.
A growing tree root splits a boulder in two.
Freezing and thawing rainwater widens a crack in a sidewalk.
Acid rain discolors and disfigures a limestone statue.
2.The sun’s energy hits earth’s surface at the most direct angle at which of the following locations?
equator
South Pole
North Pole
30° N or S latitude
