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Anvisha [2.4K]
4 years ago
7

Sound waves are also called compression waves. This means that as the wave travels through air, the ____ in creases and decrease

s
Physics
1 answer:
Alja [10]4 years ago
5 0
The speed creases and decreases
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tester [92]
2 3 4 it really depends on how many people are in the wagon.
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4 years ago
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Nisha was making a list of things that are obtained from plants and Amol was making a list of things that can dissolve in water.
Allisa [31]

Answer:

Sugar

Explanation:

Nisha's list:                               Amol's list

  Jute                                          Vinegar

  Wood                                       Lemon juice

  Rubber                                   Cooking soda

Nisha's list is made up of things that can be derived from plants. From the list given, oil, sugar and cotton can also be obtained from plants.

Most plant materials are organic matter.

Amol's list is made up of things that can dissolve in water. Sugar and table salt can also be dissolved in water.

Water is able to dissolve these materials because they are polar compounds. One rule of solubility is that like dissolves like.

New list:

Nisha's list:                               Amol's list

  Jute                                          Vinegar

  Wood                                       Lemon juice

  Rubber                                   Cooking soda

  Sugar                                       Sugar

                                   

Only sugar from the list can be added to both lists. It can be obtained from plant and can also dissolve in water.

                                             

6 0
4 years ago
The shape of a planet's orbit is influenced by gravity.
stiks02 [169]

Answer:

True

Explanation:

Gravity is a very important force. Every object in space exerts a gravitational pull on every other, and so gravity influences the paths taken by everything traveling through space. It is the glue that holds together entire galaxies. It keeps planets in orbit.

6 0
3 years ago
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Which best describes his run?
Troyanec [42]
Can you send a picture of the question or graph? There isn’t enough information here to answer
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What is the shadow zone of an earth quake?
Nadusha1986 [10]

Answer:

It is the area on opposite side of the earth from an earthquake where no s waves are picked up by seismographs.

Explanation:

Shadow zone of an earthquake is one which is farthest from the epicenter. Hence it is not the area closest to earthquake.

In shadow zone only the S waves are stopped by whereas P waves through refracted, travel through and are measured in seismograph. Hence it is an area where there are few seismographs.

The zone is not constant and each epicenter has its own shadow zone. The shadow zone was caused by the inability of s waves to pass through the liquids. This proved the presence of liquid layer in earth's core. Hence the shadow zone is not the outer molten core of earth but the zone was caused by the molten core.

Hence the shadow zone of an earth quake  is the area on opposite side of the earth from an earthquake where no s waves are picked up by seismographs.

8 0
3 years ago
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