Which of the following describes water? a. is a substance that dissolves only a few other substances; has weak cohesive forces between molecules. b. is a substance that dissolves only a few other substances; has strong cohesive forces between molecules. c. is a substance that requires a small amount of energy per gram to raise its temperature; has strong cohesive forces between molecules. d. is a substance that requires a large amount of energy per gram to raise its temperature; has strong cohesive forces between molecules.

the simple machine has three main features. they are:

loadfulcrumeffort

fulcrum is the center point or pivot point of the machine. effort is input force/ applied force. load is external force/ output.

the keisha 's machine labels are

x : load

y: fulcrum

z: lever

Answertraveling around a circular trackexplanation"traveling around a circular track" is the best answer as you could be traveling around a circular track at a constant speed. your velocity would therefore have the same magnitude but will always be constantly direction. since acceleration is the rate of change of velocity, the rate of change will only involve the direction of velocity and not the magnitude.wrong choices: "an object at rest" does not accelerate at all"increasing speed while traveling around a curve" means that the acceleration will not be constant due to only change in direction; it will be constant due to both magnitude and direction"an object in free fall" does not necessarily change direction 

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