2. Chemicals in the water can harm animal life and too much trade.
I believe the answer to this question is "chunking"
I hope this helps.
A. because their using light from the sun to make sugars
The statement that there are main five types of the stratification is false, because the stratification have mainly four types.
<h3>What is stratification?</h3>
Stratification means the enactment of screening or shortened the data, people, and objects into clear-cut groups or layers.
It is the technique that is used with the combination of another other data analysis tools. It means the categorization of the society on the basis of socioeconomic causes like wealth, income, race, education, etc.
There are mainly four stratification system that are slavery, estate systems, caste systems, and class systems.
Therefore, the given statement is false.
Learn more about the stratification, refer to:
brainly.com/question/5900661