Answer:
consists of solid rock
Explanation:
bedrock contains only solid rock unless you are talking about a different type of bedrock this bed is called saprolite. saprolite contains severly weathered rock and lies above the solid layer of bedrock
Answer:
curdling of milk is a chemical change.
Explanation:
because it formed by a chemical process of fermentation. moreover, a chemical change is a change that can't be reversed. This process can't be reversed as well so it's a chemical change
The main reason is that there is no atmosphere. This means that there is no weather and no weather means that there is no wind or rain. Wind and rain are main components of erosion and because there is no erosion, craters can stay preserved for a very long time.
Hope this helps!!
There are only so many resources that can be used and if all of them are used they don't have enough materials or food.
Scientists often perform experiments to check and recheck their work. They also redo these experiments to ensure correct results.