New cells are created from a) matter. b) energy. c) other cells. d) non-living matter.

Melting 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.

Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?