What excretes waste material and very important for homeostasis choose 1:
-excretory
-immune/hymophatic
-integumentary

Explain using examples, what is simple harmonic motion and why it is an important area of study in physics.

An object starts from rest at point f and speeds up continuously as it moves around an oval. a. choose a point about 1/8 th of the way around the oval from point f, and label it point g. draw a vector to represent the velocity of the object at point g. b. determine the change in velocity vector   between points f and g.

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e