Why do animals use echolocation? Check all that apply.

to find each other

to find food

to find warmer areas

to find sunlight

to find their way

Where are chromosomes found in an animal cell?

What is the name of the device that measures how loud a sound is?

If an undamped spring-mass system with a mass that weighs 6 lb and a spring constant 1 lb/in is suddenly set in motion at t = 0 by an external force of 2 cos 7t lb, determine the position of the mass at any time.

How much pressure is applied to the ground by a 30 kg man who is standing on square stilts that measure 0.98 m on each edge?

Using the theory of the particulate model of matter, explain what will happen to the ice cube when it is heated over a flame

What does Kepler's second law state? A. Planets travel in ellipses. B. Planets sweep equal areas in equal times. C. A planet's apparent backward movement is termed retrograde motion. D.

Why do charges build up in a cloud

How does the wave model of electrons orbiting the nucleus account for discrete energy values?

An ecosystem is all the populations of organisms that live together and A. the microorganisms that depend on them. B. the organisms that generate energy from sunlight. C. the physical factors with which they interact. D.

Which statement about magnetic poles is accurate? A) Same magnetic poles attract, while different magnetic poles repel. B) Same magnetic poles attract, while different magnetic poles attract.