Which of the following is the most usable form of nitrogen to plants?

ammonia

nitrates

nitrous oxide

nitrogen gas

A 0.100 kilogrom apple hangs 1.5 meter above the ground. Ignroing frictional effects, the total mechanical energy of the apple is?

Are waves matter or not?

What are four uses of radioactive isotopes?

A 3kilowatt oven supplied with 9mj, how long can it be ran for

Which of the following statements is true? Scavengers and decomposers are basically the same. Only green plants can be producers. The United States prohibits the importation of endangered species. All of the above.

What is the difference between convex and concave mirrors and lens?

Which is the best example of Newton's Second Law of Motion? A student has on roller skates and he decides to push against the railing. He immediately begins to roll backwards. A small ball and a larger ball with greater mass are dropped from a roof.

Which of the following represents a car traveling 20 miles/hour? 40 miles traveled in 2 hours 60 miles traveled in 6 hours 40 miles traveled in 3 hours 10 miles traveled in 5 hours

What is micromegas consider to be

A group of scientists is trying to launch an object into orbit, and the object is traveling at 6500 m/s. Which best explains why the object will not successfully orbit Earth? A.) There is not enough air resistance to keep the object moving. B.