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Alenkasestr [34]
3 years ago
14

Which best explains relationship between the speed of the sound and the medium through which it passes?

SAT
2 answers:
jarptica [38.1K]3 years ago
7 0
It should be a, i’ve took this test and got it right
Pani-rosa [81]3 years ago
5 0

Answer:

a i belive

Explanation:

The speed of sound is faster in solid materials and slower in liquids or gases. The velocity of a sound wave is affected by two properties of matter: the elastic properties and density.

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What are the moon phases
DIA [1.3K]

It's probably easiest to understand the moon cycle in this order: new moon and full moon, first quarter and third quarter, and the phases in between.

As shown in the above diagram, the new moon occurs when the moon is positioned between the earth and sun. The three objects are in approximate alignment (why "approximate" is explained below). The entire illuminated portion of the moon is on the back side of the moon, the half that we cannot see.

At a full moon, the earth, moon, and sun are in approximate alignment, just as the new moon, but the moon is on the opposite side of the earth, so the entire sunlit part of the moon is facing us. The shadowed portion is entirely hidden from view.

The first quarter and third quarter moons (both often called a "half moon"), happen when the moon is at a 90 degree angle with respect to the earth and sun. So we are seeing exactly half of the moon illuminated and half in shadow.

Once you understand those four key moon phases, the phases between should be fairly easy to visualize, as the illuminated portion gradually transitions between them.

An easy way to remember and understand those "between" lunar phase names is by breaking out and defining 4 words: crescent, gibbous, waxing, and waning. The word crescent refers to the phases where the moon is less than half illuminated. The word gibbous refers to phases where the moon is more than half illuminated. Waxing essentially means "growing" or expanding in illumination, and waning means "shrinking" or decreasing in illumination.

Thus you can simply combine the two words to create the phase name, as follows:

After the new moon, the sunlit portion is increasing, but less than half, so it is waxing crescent. After the first quarter, the sunlit portion is still increasing, but now it is more than half, so it is waxing gibbous. After the full moon (maximum illumination), the light continually decreases. So the waning gibbous phase occurs next. Following the third quarter is the waning crescent, which wanes until the light is completely gone -- a new moon.


5 0
3 years ago
Read 2 more answers
Liturgical worship is important
Natasha2012 [34]

Answer:

Yes

Explanation:

8 0
3 years ago
Read 2 more answers
What moral dilemma does this excerpt express pindarus
Nikolay [14]
Answer:Pindarus must decide whether to fight Mark Antony or flee
3 0
2 years ago
Is observation a useful tool to help teachers decide what to do next when planning lesson/activities for children?
Mice21 [21]

Answer:

Yes

Explanation:

In this way both children and teachers can understand clearly and decide... What to do next..

Hope it helped u if yes mark me BRAINLIEST!

Tysm!

7 0
3 years ago
Based on the passage, how can repetition be used to learn and retain a speech?
tensa zangetsu [6.8K]

Answer:

Your 5 senses help you remember things so by saying the speech writing it down and reading it will help you remember it after going over it for a while

Explanation: I got a 100 on this

5 0
2 years ago
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