Which population serves the function of primary consumers in a mountain area? A. Elk eat flowers. B. Aspen trees produce their own food. C. Gray wolves hunt, kill, and eat mule deer. D. Coyotes eat elk that were hunted and killed by gray wolves.

Suppose you are planning a trip in which a spacecraft is to travel at a constant velocity for exactly six months, as measured by a clock on board the spacecraft, and then return home at the same speed.

What type of tide occurs when the sun, moon, and earth form a right triangle in space?

What is the frequency of an event?

Corey, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 850 N for the first 3.0 s after the elevator starts to move, then 930 N for the next 3.0 s. What is the elevator's velocity 4.0 s after starting?

Natural selection is defined as A. the changes that occur in an organism over its lifespan. B. the changes in the characteristics within a population that lead to survival. C. the changes that occur in a population that do not affect survival. D.

Force F1 acts on a particle and does work W1. Force F2 acts simultaneously on the particle and does work W2. The speed of the particle does not change. Which one of the following must be true? a. W1 is zero, and W2 is positiveb. W1 = - W2c.

The amplitude of a sound is the Group of answer choices frequency of the sound. magnitude of displacement of a sound pressure wave. psychological aspect of sound related to timbre. amount of sound energy falling on a unit area.

Air at 38°C and 97% relative humidity is to be cooled to 18°C and fed into a plant area at a rate of 510 m/min. a. Calculate the rate (kg/min) at which water condenses. b.

a 7.26kg bowling ball (16 pounds) is at rest at the end of the bowling lane. : how long did you push the ball in this situation

Which is an example of speed? Cindy biked westward at 30 km/h. A rock is to the left of a flowerpot. A dog runs an average of 8 mph. Leo lives 2 miles north of Andre.