Answer:
C. Conservation
Explanation:
Mass is defined as "the amount of matter held within a body and hence stays the same, irrespective of our location, since the amount of matter will stay fixed"
The mass is a property that never change no matter the place, ambiental conditions, temperature and other possible factors.
The only possibility in order to change the mass is with chemical reactions or desintegration processes but that's very improbable. So for this reason this is an example of conservation.
Answer:
The exports of San Juan, Puerto Rico are chemicals, electronics, clothing, canned tuna, rum, beverages, and the last one is medical equipment.
The imports are Gasoline, other fuels, Passenger vehicles, Medical instruments, and Sulfonamides
Answer: B) Rachel will have less fatigue and fewer colds than will Leah.
Explanation: According to scientific studies, long-term stress and pessimism are linked, so that pessimistic persons like Leah, who always see the worst, accumulate stress. On the other hand, it has also been scientifically proven that stress is a trigger for many organic diseases, including serious illnesses, and of course colds and pain in the body, head, shoulders, etc. Stress affects the immune system, so logically, pessimistic people are more susceptible to stress, and therefore colds, diseases, etc.
Answer:
Harry Harlow
Explanation:
Contact comfort refers to the intimate care that the mothers give to their infants (including hugs, feeding, spending time playing with the infants , etc)
According to harlow, infant primates (including humans) will receive a deep sense of comfort and protection from such behavior that will benefit their mental health in the future. If they did not receive it, they tend to seek this missing care from other people when they are grown up in a more unhealthy ways.