Answer:
This is a physical change.
Explanation:
A change in state, such as a change from solid to a liquid, is a physical change.
It comes from the sun. The sun evaporated earth water
Answer:
Animal cells
Explanation:
The cytoskeleton is not present in plant cells
I think the first one is the the forest industries keeps changing, so that is why the economics delayed the scientists.
Wind can use sand as an abrasive to wear away rock.
Option (d);
<u>EXPLANATION: </u>
- Rocks are broken down into smaller pieces with sand or water flowing over the rocks at a great speed.
- Many solid particles like soil, sand, mud, etc. move down the rocks by downhill or wind blowing in the downward direction and called wind abrasion.
- Sand blown with the help of high speed, sandblast away the rocks.
- Abrasion is a process in which sand is blown in downwards direction with the help of wind and that wears away the rock's surface over time.
- Thus, wind uses sand as an abrasive to wear away a rock.
