Describe how erosion wears down earth's surface

What is the amount of organic matter in all living organisms in a habitat called?

Compare the quantity in column a with the quantity in column b. pa p a is tangent to the circle at a. column a column b ap a p ax a x question 4 options: the two quantities are equal. the quantity in column a is greater. the relationship cannot be determined from the information given. the quantity in column b is greater.

Democratic vs democratic whats the difference? ?