Measuring in light-years also allows astronomers to determine how far back in time they are viewing , Because light takes time to travel to our eyes. Everything we view during the dark in night has already been happened.
Answer
Physical weathering weathering is is breaking breaking up up rocks rocks by by force, force, while while chemical weathering weathering involves involves chemical chemical processes.
Explanation:
- Physical weathering refers to the mechanical weathering that takes place due to the freezing and thawing go the rocks which are exposed to hot and cold temperatures of the day and night
- An example of physical weathering is the onion peel weathering of rocks.
- While chemical weathering is the weathering by addition of oxygen, water and carbon to rock minerals.
Primary succession occurs when new land is formed or bare rock is exposed
The earth's orbit is responcible
