Question

Which of the following has had the most negative effect on Earth's ecosystems?

A. establishment of air pollution standards.
B. increase in human population
C. recycling glass, plastic, and metals
D. use of natural predators to control pest insects.

Answer 1

b is the answer to this have a great day

Answer 2

B

Step-by-step explanation:

humans are evil, done a lot of negative effects on ecosystem.