An ecologist named mark wants to control water pollution at a source that has biodegradable pollutants. which method should mark use? a. biological action
b. carbon sequestration
c. incineration
d. conversation tillage

The correct answer is - a. biological action.

Explanation:

Biological action depends on microbes such as bacteria, nematodes, or other small organisms to treat and break down organic or biodegradable pollutants or wastes through the water process.

Water bodies have various types of pollutants including biologically degradable garbage, wastes, and partially digested foods. In some of the lakes and ponds pathogenic organisms, heavy metals, and toxins also found that are treated by these microbes.

"d.) carbon dioxide and hydrogen sulfide"

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs