The first step to using ecology to solve environmental problems is to a. ban the burning of fossil fuels. b. close businesses that pollute. c. use alternative fuels. d. identify the problem.

d. identify the problem

Explanation:

Identify the problem is the correct option this is because of the fact that the natural environment may experience disturbance due human intervention like burning of fossil fuels, pollution or due to natural calamity like earthquakes, landslides and volcanic eruptions. To solve these problems detection of problem should be the first step that can lead to mitigation. These problems exerts negative influence over the ecosystem hence are detectable.

so easy. just google the electromagnetic waves and it’ll pop up.

305.7

explanation:

density =m/v

density =917/3.00

density = 305.

approximately = 305.7

in four significant figures