SCIENCE The growth of algae in ocean water is limited by their need for
a.
warm ocean currents.
b.
carbon dioxide and sunlight.
c.
dissolved oxygen.
d.
low salinity.

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

Which of the following are guidelines to follow for obtaining accurate observations

Which of the following examples illustrates static friction? a box sits stationary on a ramp. a ball rolling on the lawn eventually comes to rest. a car rounds a curve on a road. a fish swims upstream.