Define the terms: 1. Efficiency
2.Weight
3. Net Evaporation
4. Scalar quantity
5. Vector quantity

1)noun

the state or quality of being efficient.

"greater energy efficiency"

Similar:

organization

order

orderliness

planning

regulation

logicality

coherence

productivity

effectiveness

cost-effectiveness

competence

capability

ability

proficiency

adeptness

deftness

expertise

professionalism

skillfulness

skill

Opposite:

inefficiency

incompetence

an action designed to achieve efficiency.

plural noun: efficiencies

"to increase efficiencies and improve earnings"

TECHNICAL

the ratio of the useful work performed by a machine or in a process to the total energy expended or heat taken in.

"the boiler has an efficiency of 45 percent"

2)The most common definition of weight found in introductory physics textbooks defines weight as the force exerted on a body by gravity. This is often expressed in the formula W = mg, where W is the weight, m the mass of the object, and g gravitational acceleration.

3)Net evaporation occurs when the rate of evaporation exceeds the rate of condensation. A state of saturation exists when these two process rates are equal, at which point the relative humidity of the air is 100 percent.

4)A scalar or scalar quantity in physics is one that can be described by a single element of a number field such as a real number, often accompanied by units of measurement. A scalar is usually said to be a physical quantity that only has magnitude, possibly a sign, and no other characteristics. 

5)Vector, in physics, a quantity that has both magnitude and direction. It is typically represented by an arrow whose direction is the same as that of the quantity and whose length is proportional to the quantity's magnitude.

Explanation:

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pretty sure it's false

note: the given question is incomplete.

complete question is given below.

which is an example of kinetic energy?

a. the energy stored in ethanol  

b. a hockey puck sliding across the ice  

c. a compressed spring  

d. a ball sitting at the top of a ramp

solution: the kinetic energy is the energy posses by the virtue of the motion of the object.

in the given options, a, c and d are the example of potential energy because it is the energy posses by the virtue of the rest of the object. but option b has the kinetic energy as the object is in motion.

hence, a hockey puck sliding across the ice   is the apex example of kinetic energy.

so, the option (b) a hockey puck sliding across the ice   is the correct option.