What did ancient astronomers think areas of the moon called mares might be?

terrae

mountains

craters

seas

Covalent bonds are formed between metals and boiling points true or false

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.

What is the empirical formula for c4h8o2