Chrissy is doing her chemistry homework and comes across the chemical formula for 3 molecules of nitric acid, represented by 3HNO3. Which of the following shows the correct number of atoms for Chrissy's homework problem?
A-
3 hydrogen
1 nitrogen
3 oxygen

B-
1 hydrogen
I nitrogen
3 oxygen
C-
3 hydrogen
3 nitrogen
9 oxygen

In an energy pyramid, which level has the most available energy?

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

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils