Answer:
This is a chemical change because it has been lit on fire. When it is lit on fire, the fire has been made, heat has been made, and gasses produced from the fire have also been made. Because this introduces new matter to the pictures, it is a chemical reaction.
Explanation:
Answer:
Mechanical weathering
A. does not change rock composition
C. abrasion
F. ice wedging
Chemical weathering
B. oxidabon
D. changes rock composition
E. acid rain
Explanation:
There is no chemical formula for light energy because light is not a chemical.
Answer:
Hotter climate, more greenhouse gases, and less water
I hope this helps :)
Explanation: