Explain why the earths core is vital to us living on this planet? answer fast

jennys history teacher always sets the tempature in her classroom very low jenny always shivers when she is in class because she is cold now as jenny approaches the classroom she starts to shiver

A 170-lb man carries a 10-lb can of paint up a helical staircase that encircles a silo with radius 15 ft.

The speed of a moving bullet can be determined by allowing the bullet to pass through two rotating paper disks mounted a distance 85 cm apart on the same axle.

You are driving in a car and you pass a tree. Which object is the frame of reference? A) You B) The car C) The tree

A person is born with concepts already formed.

When an electric current flows through a wire a magnetic field is created. To increase the power of the magnetic field you would A.

When Holly injures her shoulder playing baseball, she uses an instant ice pack to reduce the swelling. She breaks the inner, activator portion of the instant cold pack releasing the solid urea into the surrounding water.

Zach is making a round trip going from home to work. To get to her work she goes 30 m/s and then to get back home she goes 50 m/s. What is the velocityof Zach for the entire round trip? a. 0 m/s b.-20 m/s c. 80 m/s

Wick type of cloud is often taken to be a sign of fair weather

A body is a particular amount of matter. It can be a solid, liquid or gas. It can be described as existing in A. location and movement. B. size and shape. C. time and space. D. motion and force.