Which statement accurately describes renewable energy sources?

They provide the majority of the energy for the United States.

They include fossil fuels and hydroelectric power.

They take millions of years to form and should be used responsibly.

They are quickly replenished.

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent

How is the way a mixture is combined different from how a compound is combined?