Ava runs track and field and is a long-distance runner. She has a big race coming up and needs to eat food that will provide her with enough energy to last throughout the race. What food would be best for her to prepare for her race? A. salad
B. milk
C. apple
D. pasta

When you turn on a battery-operated device, an electrical circuit is

Astone is thrown into a pond. what happens to the amplitude of the resulting waves as they get farther from the point where the stone hit the water? explain.

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?