Which statement best describes what happens when air warms in the atmosphere? A. Air condenses and rises up.
B. Air expands and rises up.
C. Air expands and sinks down.
D. Air condenses and sinks down.

i think it’s a. this is because if they measured the mass of something with a mass of 150g, then their final answer would have to be approximately 150g. though all of their answers are almost 150, rosa and tran have the closest answers (or the exact answer) to the accurate one.

0.55x745.7j and a calculator

radial fractures in a piece of glass look most like which of the following?

a. spokes of a wheel

b. a circle

c. a zig zag

d. none of the above

the correct answer is a. spokes of a wheel

hope this (: