We depend on satellites for many of our communication needs. What evidence from the text supports this conclusion?

A. The military has spy satellites to help them peek in on other people around the world.

B. Satellites allow us to use the phone, Internet, television, and radio.

C. Earth’s gravitational pull on an object weakens the farther away it is from the planet’s surface.

D. Isaac Newton discovered gravity when an apple fell on his head.

HELP ME DUE NOW, ILL BRAINELIST PLEASE

What is the mass of the same rock on the earth

Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.