I need help ASAP plz and thank u

Ascientist and her team counted 200 individual deer in an area of 10 square kilometers. what is the population density?

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

Hurry where is the majority of earth's water found? o glaciers o oceans ground o rivers and lakes