Answer:
Autotrophs are the plants which prepare their food by photosynthesis.
Explanation:
Complex molecules are made up of carbon<span> bonded with other elements, especially oxygen, hydrogen and nitrogen, and </span>carbon<span> can bond with all of these because of its four valence electrons. </span>
Use quizlet, its very helpful. also, by colour coding or highlighting definitions or dates, or reading them out loud, your brain will remember them more effectively and quickly during tests
Answer: i think it pesticides
Explanation:
There are life forms on earth, there is water on earth, earth is in the green zone and other planets aren't