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Temka [501]
3 years ago
7

Some kinds of waves, such as sound waves and water waves, move energy from one place to another through

Social Studies
1 answer:
DanielleElmas [232]3 years ago
3 0

In electromagnetic waves, energy is transferred through vibrations of electric and magnetic fields. In sound waves, energy is transferred through vibration of air particles or particles of a solid through which the sound travels. In water waves, energy is transferred through the vibration of the water particles.

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In recent years, presidents have come to rely most heavily on the advice of __________.
Sliva [168]

C. The Executive Office of the President

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3 years ago
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It is generally believed that there are three fundamental kinds of knowledge. Which of the following is not one of these?
trasher [3.6K]

Answer:

acquaintance

Explanation:

because acquaintance is not knowledge and it is not fundamental

8 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
How do investements in human capital lead to economic growth?
hoa [83]

Answer:C

Explanation:Investment in human capital will provide citizens more access which then their literacy rate will go up which proves for more economic growth.

8 0
2 years ago
What are the norms for working together in the classroom?
coldgirl [10]

Answer:

Some examples of general class norms are: “be a good neighbor,” “respect others and yourself,” and “be kind.” Norms written at a specific level identify distinct behaviors, such as “raise hand before talking,” or “walk in the hallways,” and are usually only applicable in particular situations.

Explanation:

7 0
3 years ago
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