30 because all 3 angles have to add up to 90
Answer:
1: Balanced forces will cause no change in the speed of an object
2: Balanced forces do not cause a change in the speed of a moving object.
3: For unbalanced forces you can say the opposite of the above.
Explanation:
Answer:
Physical weathering is most active where temperature and rainfall are both low. Chemical weathering is most active in regions of high temperature and rainfall. Most world regions experience a combination of both physical and chemical weathering.
Explanation: