Which of the following is an example of a compound?

H2O

Na

Cl

O

Which two factors does the power if a machine depend on A. work and distance B. force and distance C. work and time D. time and distance

Which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use? A () nitrogen-fixing bacteria B () denitrifying bacteria C () decomposers D () producers

Where is copper in the periodic table?

What is the purpose of adding antifreeze to the water in the radiator of a car? To lower the activation energy of the water. To increase the amount of heat that can be absorbed. To raise the activation energy of the water.

Structural strength and stability

For a solar eclipse to occur,

How many times does the citric acid cycle occur for each molecule of glucose?

Which planet is made of mostly gas

What is the molar mass of al (clo2) 3

Neon belongs to what family