The cycle that involves the conversion of nitrogen gas into a usable form by bacteria is the:

a.

carbon cycle

b.

nitrogen cycle

c.

water cycled.

d.

none of the above

Which of the following statements is true about the alpine biome, but not the taiga? A. Temperatures are below freezing during the winter. B. Precipitation can average 12 inches annually. C. It has a small temperature range during the summer. D.

How are prokaryotic cells and eukaryotic cells; plant cells and animals cells different from each other?

Why are purebred dogs more likely to suffer from genetic disorders?

Process of Sexual Reproduction for a hammered shark

Why is math important in genetic engineering?

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