In the drawing above the distance from the ground to the floor of the trailer is 20 inches. the length of the ramp is 60 inches. what is the mechanical advantage of this simple machine?

Through an uplift under the earth's crust at a divergent boundary a is formed. a. cliff c. plateau b. fault d. mountain select the best answer from the choices provided a b c d i know the answer is not b

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

What will happen if deforestation continue to destroy the green plant on the planet