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weqwewe [10]
3 years ago
9

Opportunity cost may be defined as?

Social Studies
1 answer:
vlada-n [284]3 years ago
8 0

In microeconomic theory, the opportunity cost, or alternative cost, of making a particular choice is the value of the most valuable choice out of those that were not taken. ... Opportunity cost is a key concept in economics, and has been described as expressing "the basic relationship between scarcity and choice".

Explanation:

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Terrestrial planets are mainly composed of ________ while Jovian planets are made dominantly of ________. A. volatiles; rock and
docker41 [41]

Answer:

B. rock and metals; volatiles

Explanation:

  • According to the structure of the planet they are divided into terrestrial and Jovian. Terrestrial planets have a solid, rocky surface, are relatively high densities, slow to rotate, lack a ring, and have little or no satellites.
  • They include all inland planets: Mercury, Earth and Mars. Of these Venus, Earth and Mars have atmosphere, while Mercury is practically gone. It is so thin that we cannot speak of it in our earthly sense.
  • The Jovian planets are similar to Jupiter. They are gaseous gins composed mainly of hydrogen and helium, they are low in density, have fast rotation, rings and many satellites and probably a little solid core. These are Jupiter, Saturn, Uranus, and Neptune.
6 0
2 years ago
A person who believes in the superiority of the american way of life is demonstrating
Tju [1.3M]
He could be demonstrating nationalism
8 0
2 years ago
Do you need to have a bachelors in education to teach in elementary schools
galben [10]
Probably yes tbh  i mean i would say yes not sure 
8 0
3 years ago
Norepinephrine acts on the heart by ________. A) decreasing heart contractility B) causing a decrease in stroke volume C) blocki
kakasveta [241]

Answer: option d

Explanation:they are also normally called noradrenaline.

They do help by constant regulating of the blood pressure and to increase the sugar (glucose) level content in the blood. It help majorly to lift up (increase) the rate as well as the force of the contraction of the heart and also in do lead to an increase in muscle contraction due to the fact that they are push out(realeased) from the sympathetic nerve fibre ends.

8 0
3 years ago
Allan seemed to forget that he was abused by a family member when he was very young. When he later remembered that he was the vi
Papessa [141]

Answer:

Repressed memory

Explanation:

Allan seemed to forget that he was abused by a family member when he was very young. When he later remembered that he was the victim of this abuse early in his life, he uncovered what psychologists call <u>repressed </u>memory.

Some scientist believe that traumatic memories such as abuse in early life can be unconsciously blocked. Such memories are known as repressed memory.

8 0
3 years ago
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