Radiocarbon dating can be used to determine the age of
a a sample less than a million years old
b a sample less than 100,000 years old
c a sample less than 50,000 years old
- d a sample less than five million years old

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

Condensation happens when water vapor cools. true or false? ?

What are the two major rules associated with polarity