4. Hot material in the Earth's mantle rises and cool material sinks. This is an example of

a. conduction
b. convection
c. radiation
d. none of these

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate