7.- What problems are related to water today?
Find the correct term for the following definitions:
- A shortage of water can produce this:
- An excess of water can produce this:
- It occurs when large amounts of materials are added to a body of water.
- It contains harmful chemicals such as sulphur and nitrogen.
Complete the gaps:
___________ contains harmful chemicals such as sulphur and nitrogen. These ____________ are released into the atmosphere as _________. They undergo a chemical _______________and are absorbed by the water in ____________. They become part of ___________ and enter in the _____________________.
Make a diagram of the adverse effects of the rainfall.