Answer: Water scarcity is the lack of fresh water resources to meet the standard water demand. Water scarcity can also be caused by droughts, lack of rainfall, or pollution.
Decomposers break down dead material
Answer: Deforestation plays several roles in the flooding equation
Explanation: because trees prevent sediment runoff and forests hold and use more water than farms or grasslands. ... Tree roots absorb water from the soil, making the soil drier and able to store more rainwater.
The answer can be found in other resources.
Magma. Magma can be made of many different materials, and once it breaches the earth surface it is called lava. Lava is what comes out of volcanoes, magma is what is still underground