On what basis are different photons to be distinguished?

A. Their energy levels

B. The atoms they come from

C. Their masses

D. Their speeds

When density increases, what happens to the number of molecules in a volume of air?

Which cell process occurs only in organisms that reproduce sexually? B. A. mutation replication D. mitosis C. meiosis

A car starts from rest at a stop light and reaches 20m/s in 3.5s. Determine the acceleration of the car

Casimir recently purchased an old car. He notices the rims have some spots of rust on them. So, he goes to an automotive shop and chooses a product that is recommended for removing rust. Which acid is most likely to be found in the product?

Yolanda has decided she is going to be a nurse. What is the next step she should take to make her career goals a reality? a. Create a personal career profile b. Identify her personal values c. Take an interest inventory d.

PV = nRT, is the a. equation of state of an ideal gas b. theorem of equipartition of energy c. second law of thermodynamics

Which conducting electricity has the most harmful effects?

Which is the farthest known planet from the sun? a. Jupiter b. Saturn c. Uranus d. Neptune

Laser light of wavelength 470 nm shines on a pair of slits at normal incidence, producing a pattern of maxima on a large screen 92.0 cm away from the slits. The second order maximum is observed to be 31.7 cm away from the central maximum. a.

What does the slope of a line of best fit represent