Which statement expresses the relationship between frequency and wavelength of all types of electromagnetic waves?

How did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

14. many depressants reduce small muscle control, making it harder for a. you to steer b. your mind to consider complex problems c. the eye to scan, focus, or stay still d. the kidneys to filter alcohol out of the bloodstream