What does the absolute magnitude of a star depend on?
a. brightness
c. energy output
b. distance from earth
d. color of a star
select the best answer from the choices provided
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Rank the three variables in terms of how strongly they affect the "species" composition of the bacterial communities. place the variable with the weakest effect on the left and the variable with the strongest effect on the right.

Which of the following is an example of competition that could be found in a forest? question 14 options: deer eat berries and their droppings seed new areas creating more berry bushes two fox populations utilize the same rabbit population as their main food source two hawk populations utilize the same scorpion population as their main food source lack of sunlight due to changes in the seasons restricts the growth of certain plants

How do you date a sample of rock that you suspect as being one of the earliest on earth