Date: Why do scientists study fossils?
A.
to understand how volcanoes are formed
B.
to understand life on Earth as it was millions
of years ago
C.
to understand when mountains were created

If a || b and e || f, what is the value of y ?

The p sub shell can hold up to 8 electrons in an atom. true or false?

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light