Which two tools are used to measure humidity?

O

A. psychrometers and barometers

O

B. hygrometers and psychrometers

O

C. hygrometers and barometers

O

D. anemometers and weather vanes

What property of a solution stays the same after its diluted

By what two characteristics are all the elements of the periodic table placed in

Explain the difference between a Type I significance error and a Type Il significance error.

When a=3 and b = (-4) 6

The structure of graphite and diamond come under what structure

When a chemical reaction takes place, the number of atoms of each element in the reactants

A scientist is measuring the pressure that is exerted by each of the following gases in the atmosphere: carbon dioxide, oxygen, and nitrogen. Which term most likely describes what she is measuring?

How would you expect energy to change during a chemical reaction? A. Energy will be increased. B. Energy will be decreased. C. Energy will be converted into another form. D. Energy will be consumed.

In the formula for the compound xcl4 the x could represent

What is the main function of antibodies? A: "Remembering" the characteristics of germs that have invaded your body in the past B: Creating new white blood cells C: binding themselves to invading antigens D:Signaling your immune system that antigens