What is the worst kind of pollution? air pollution, water pollution, or land pollution? Defend your answer. (Please explain why you think it is the worst kind of pollution) Thank you.

Identify the missing parts of the carbon cycle

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms

The cluster of developing cells from conception until birth is called an