1. A rock was broken down into rock fragments but its composition was not changed. what process caused this?
A. chemical weathering
B.mechanical weathering
C.reaction to acids
2. what do you call the condition of the atmosphere at a certain period of time?
A. climate
B. Phenomenon
C. weather
Answers & Comments
1. A rock was broken down into rock fragments but its composition was not changed. what process caused this?
A. chemical weathering
C.reaction to acids
2. what do you call the condition of the atmosphere at a certain period of time?
A. climate
B. Phenomenon