Really need 30 pts

which statements describe hormones in plants? check all that apply.

a. cutting stems can stimulate hormones to start lateral leaf growth.
b. some tropisms are controlled by hormones.
c. cells grow faster in areas where auxin is concentrated.
d. hormones buds form and grow in the winter.
e. auxin is the only hormone involved in plant development.

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³