Which statement most accurately compares earth crust and earth mantle

What kind of weather would you associate with a high-pressure system? How does density, humidity, and air motion compare to that of a low-pressure system?

Which would you most likely be able to separate into parts by filtering A. Heterogeneous mixture of two liquids B. Heterogeneous mixture of two solids C. Homogeneous mixture of two liquids D. Homogeneous mixture of two solids

As two tuning forks of different frequencies are sounded together, the observed periodic changes in loudness are caused by what?

True or false an objects weight is less on the moon than on earth. on the moon, the objects mass decreases

As protostars continue to contract, their cores become hotter and more dense until what process begins ...

Choose the correct statement. a. Usually, when one form of energy is converted to another, no energy is wasted. b. The total amount of energy in the universe is gradually decreasing. c. This statement illustrates the first law of thermodynamics. d.

A 10 cm3 block of paraffin (a type of wax) weighs 0. 085 N. It is carefully submerged in a container of gasoline. One cm3 of gasoline weighs 0.0069 N. a. What is the weight of the gasoline displaced by the paraffin? b.

What is a device made by joining two different materials to form a circuit that produces an electric current? a. convertor b. resistor c. semiconductor d. thermocouple

An elevator weighing 15000 newtons s raised in 50 seconds. If the distance between stories is 3.0 meters how much power is required of the motor?

Given the diamond shape of a baseball field and the speed with which baseballs are hit, why is it harder for a hitter to hit a homerun to center field than to right or left field? (Consider the effect of air drag on fast moving projectiles.)