7. Which statement correctly describes the density of Earth's mantle compared to the density of Earth's core and crust?

1) The mantle is less dense than the core but more dense than the crust.

2) The mantle is less dense than both the core and the crust.

3) The mantle is more dense than the core but less dense than the crust.

4) The mantle is more dense than both the core and the crust.

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o