Can you describe how the electromagnetic spectrum is used to study stars and planets?
note i cant find the correct category sorry but plz

Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination products. which do you think will be the major product?

The same side of the moon always faces earth because the

What is the approximate mass of 25 cm3 of silver, if the density is 10.5 g/cm3? a. 0.42 g b. 2.4 g c. 42 g d. 260 g