Select all of the statements that correctly describe mechanical waves. A. They can change speed.
B. Microwaves are an example of them.
C. They can travel through air and water.
D. Ocean waves are an example of them.
E. They can travel through a complete vacuum.
F. They can travel faster than the speed of light.

i would think it's food chain

i dont think you are wrong for wanting to get even with someone who did you wrong.

(i'm an eye for an eye kind of person) but if this person hurt you in a sexual way, i dont suggest doing anything to him. he should be taken to the proper authorities, you could go to jail depending on what you do. if it was something small like your sibling took your spot on the couch, than yea, i would get even with him by taking one of his favorite snacks lol. but i dont suggest you doing anything illegal.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2