In which form does usable energy enter the earth's system and to what form of energy is all of this energy finally converted?

Which type of respiration takes place when there is no oxygen present

What are marine sponges compossed of

When can exponential growth happen? A. When carrying capacity is reached B. When there are limited resources C. When there is no competition D. When the death rate is high SUB

Ned is designing an experiment to test which hand sanitizer kills the most E. coli bacteria. In order for Ned's results to be valid, what must he do?

A. as you move away from the sewage spill, the demand for oxygen falls and then rises. b. the more raw sewage present, the less demand for oxygen. c.

Two factors which cause global climate change are listed below. factor 1: mountain building. factor 2: changes in the amount of atmospheric gases. which of these statements is correct about the two factors which cause global climate change?

Is a post oak tree is a autotrophic or heterotrophic

Which of the following statements about wetlands is true

Primary succession is most likely caused by (A) Clear Cutting (B) Climate Change (C) Volcanic Eruption (D) Introduced Species

The resources that are provided by earth are known as resources