If the Earth was the size of a basketball, about 24 centimeters in diameter, about how thick is the Earth’s crust? the entire thickness of the ball’s diameter

the thickness of the leather covering

the thickness of the leather covering and another inch (or 2.5 centimeters) below that

6 centimeters thick, or half the radius

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

Define a is a tiny pavket of energy

1) a. water molecule breaks up into hydrogen and oxygen on passing electricity. does this involve breaking intermolecular or intramolecular forces of attraction. explain b. on boiling water changes to water vapor. does this involve breaking intermolecular or intramolecular forces of attraction. explain methanol evaporates faster than water. contrast the intermolecular forces and the vapor pressures of methanol and water?