Which element is an inert gas that makes up 78% of the earth's atmosphere and is an important component of many proteins and fertilizers?

Which question is the best scientific question? Why does a duck eat? Does a duck like what it eats? Should people eat duck? What does a duck eat most often?

Which processes form glaciers? A. impact and deflation B. plucking and abrasion C. deposition and erosion D. accumulation and compaction

Identify the position on the graph that gives the carrying capacity of the population.

How is deforestation related to erosion and flooding?

The drug Viagra® counteracts the effects of NO on penile blood vessels. a. True b. False

What effect does sympathetic nervous stimulation have on digestion? A. Diarrhea B. Inhibits digestion C. Enhances digestion D. Vomiting

What was a primary reason for the revived popularity of the Ku Klux Klan?

A behavioral adaptation is ... Give at least 2 examples

Heme iron is found only in foods derived from the flesh of animals, such as meats, poultry, and fish. a. True b. False

As wind travels across the water's surface, it pushes against the water, and energy in the wind is absorbed by the water. What does the interaction between the wind's energy and the water form?