How is atmospheric nitrogen made available to plants and animals?

A trout population grew from 4 in 1992 to 16 in 1993 and then to 64 in 1994. If it continued to grow exponentially, approximately how many trout were there in 1995? 100

The water absorption rate of a plant's roots is greatly increased by

Imagine Dr. Evil came up with a plan to put a cover over the sun in order to block out the light from Earth. How long would it be before a person on Earth realized the light had been blocked? A) 8.3 seconds B) 8.3 minutes C) 8.3 days D) 8.3 years

Explain how gas is changed back into gas when it exits the barrel

How is a nucleosome related to a chromosome?

Why is the first generation always called the p generation?

A team of environmentalists are removing volatile organic pollutants from soil by circulating air through the soil using pipes. Which remediation method are they using?

Which energy source would provide the cheapest electricity for a factory A. Solar panels B. Wind turbines C. Gas generators D. A hydroelectric plant

What is the relationship between heat and change of state

If a girl is 11 years old, measures 1.40 and weighs 80 pounds. How much weight should she lose?