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Natali5045456 [20]
3 years ago
7

What signifies the period known as history?

Social Studies
2 answers:
zzz [600]3 years ago
5 0
A. would be the correct answer.
swat323 years ago
3 0

Answer: a. There are written records.

Explanation:

History is the time period that includes what was happening and the facts of humanity since there is evidence of writing in civilizations. Prehistory are all the events that occurred from the appearance of the first hominid until the invention of writing. Therefore the fact that there are written records means that the events happened during historical times.

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Ideally, all sleeping garments should be made quite lost to achieve comfort TRUE or FALSE ?​
Marta_Voda [28]

Answer:

I think it is true luv <3

Explanation:

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6 0
3 years ago
How are the Canadian Shield and Great Plains alike?
arsen [322]
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8 0
3 years ago
What is the difference between profit and revenue?
Mashutka [201]

Answer:

A. Revenue is the total amount producers receive after selling a good. Profit is the total amount producers earn after subtracting the production costs.

Explanation:

Revenue alludes to the measure of cash your business is accepting as installments from your clients previously any expenses or costs are deducted. It is appeared at the best thing of the pay explanation from which all charges, costs, costs are deducted to get the benefit of the association. Profit is the surplus staying after all out expenses are deducted from absolute income.

4 0
3 years ago
A teacher gave a quiz to her class of 30 students. However, she misplaced one of the quizzes. The teacher calculated the mean of
solniwko [45]

Answer:

mean of all 30 students is 69

Explanation:

given data

students = 30

mean = 29

μ = 68 points

student scored = 98 points

to find out

What is the mean for the class of all 30 students

solution

we know here mean score of 29 students is 68

so sum of score is here = 29 × 68

sum of score = 1972

so

sum of 30 students score is = sum of 29 students score + missing score

sum of 30 students score is = 1972 + 98

sum of 30 students score is = 2070

so

mean of all 30 students is = \frac{sum of 30 students}{30}

mean of all 30 students is = \frac{2070}{30}

mean of all 30 students is 69

8 0
3 years ago
The time and energy required to gather information about various candidates are referred to as _____.
zavuch27 [327]

Answer:

correct fill up is Opportunity cost

Explanation:

solution

we know that opportunity cost is any benefit and profit or value of something that one needs to give up in order to achieve something else is called opportunity cost

opportunity cost   mean that the value of the next highest value alternative use of the resources

so

here we can say that time and energy is utilised in order to gather information about various candidates

so correct fill up is Opportunity cost

6 0
3 years ago
Read 2 more answers
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