Humans have altered the carbon cycle by

A) digging up the stored nutrient resources and combusting them during industrial processes.

B) damming rivers and lakes.

C) increasing the rate at which land based nitrogen is released into the environment.

D) all of the above

Ask your question to the AI advisor

Ai-bot is an expert in any field and is the perfect companion for reliable and useful answers and advice on a variety of topics, including science, history, technology, art, sports, health, culture and more.