In order to be considered work, the components that must be present are (2 points) a force and a movement in the same direction as the force. an action which causes no movement or reaction. an action which causes movement and an opposite reaction. a force and a movement in the opposite direction of the force.

c.more precipitation,but only when emission levels.

the answer is :

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.