Descriptive investigations involve collecting data about a system, but not making

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.