Scientists studying two adjacent ecosystems observe different varieties of organisms in the two areas. All of the following factors would contribute to the differing varieties of organisms in these two habitats EXCEPT:A. climate.
B. soil type.
C. water resources.
D. wind.

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

What is the main fuel source for the work of the cell

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?