Which of the following indicates that an endothermic reaction has taken place?
A) cooling of the surroundings
B) release of heat and light energy
C) a loud explosion
D) a change in color

**40** points asapessay questions (10 points possible) clear image of next, create your own scenario. it can be one of your own real experiences or one you make up. use imagery in your writing to give your instructor a the setting and an action taking pace in your writing explain the structure and functions of the skin at work in your scenario. !

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

How to convert a density of 0.791g/cm3 to lb/ft3