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?

Food handlers are required to do which of the following at work

Why are coral reefs home to a huge diverse variety of species? a. coral reefs have all the factors necessary to support plants, predators, and prey. b. coral reefs keep predators, such as sharks, away providing a safe habitat for fish. c.

In a combustion engine, fuel is burned to produce mechanical energy. Which of the following shows that an energy transformation has taken place?

A natural disaster wipes out most of a population. The allele frequencies of the surviving population may not be the same as the allele frequencies of the original population. This form of genetic drift is called

Identify and explain at least three possible limiting factors that would control the size of an ant colony.

Explain wether nitrogen atoms will form bonds with other atoms

What are examples of radio waves

In a population of spiders there are three different sizes: small, medium, and large. - --The large spiders are easily seen by predators. - --Small spiders have a difficult time finding food.

what is one type of new constellation that edmond halley saw in the sky while he was on the island of st. helena

Global winds and ocean currents are not related to and do not affect climates true or false? and why