The drying up of the sahara force farmers to move away from what had once been lush green areas to other areas that did not suffer from such ecologicak change
It is?
The drying itself is (always) a physical change.
A physical change
Drying (involving only the water evaporation) is a physical change.
No.
No.
No, drying of fish is a physical change, not a chemical change. The process of drying simply involves the removal of water from the fish, causing it to undergo a physical transformation, but its chemical composition remains the same.
The steady drying of soil in African civilization is called desertification. This process occurs when fertile land becomes arid due to factors like deforestation, overgrazing, and climate change, leading to a decline in agricultural productivity and overall environmental degradation.
Freeze-drying is a chemical change because it changes the actual composition of the object by removing water.
Yes.
No. But the do get smaller.