can someone please help me with my science test, for free (8th grade)? there's 15 questions, mostly about weather. it would mean the world !!

What is the relationship between the wavelength of a wave and it's energy?

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.

Which branches of natural science include the study of an organism that lived 10 million years ago