What is the hottest part of the Earth?

a. the crust

b. the mantle

c. the outer core

d. the inner core

Currents that occur in deep water are: Wind driven Continental Coriolis waves Thermohaline

The atoms, molecules, or compound present at the start of a chemical reaction that parcitipate in the reaction. which part of a chemical reaction does this define?

How many degrees does the earth revolve in a day?

In a motor, electrical current enters through the brushes. a. True b. False

What is a major criticism of Maslow's hierarchy of needs? Select one: a. It is subjective. b. It does not take gender differences into account. c. It is humanistic. d. It only accounts for the objective world.

What is the role of the air spaces in insulating materials? Select all that apply. They trap heat in the spaces. They puts gaps between the particles to slow down conduction. They dissipate energy faster.

Is it true or false that wave interference only occurs with transverse waves?

There have been several proposed atomic models during the last 150 years. Which model best illustrates the Bohr model. This model suggests that an atom's electrons orbit the nucleus in fixed patterns, much like the planets orbit the Sun.

During which type of change should you expect to see different chemical symbols before and after the change?

Ryan is examining the energy of the particles in a bar of gold. What is Ryan most likely studying? thermal energy electric energy potential energy internal energy