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Ahat [919]
3 years ago
12

Which statements about gravity are true

Chemistry
1 answer:
Katen [24]3 years ago
7 0

Answer:

1.gravity helps us stay situated on earth without floating away  

3.gravity holds our galaxy together

4.multiplying the mass of an object by the acceleration due to gravity gives the weight of the object  

Explanation:

Man can float on moon. This is because the force of gravity on the moon is less than that on Earth. Thus gravity helps us not float away on Earth.  

All matter contains mass and has nothing to do with gravity. Option 2 is incorrect.

Gravity is a collection of billions of stars that are held together by gravity. Option 3 is correct.

Weight of the object is the product of the mass of an object and the acceleration due to gravity. Option 4 is correct.

Scientists launch space craft out of earths atmosphere  against Earth's gravity. Option 5 is incorrect.

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The most important approach towards solid waste disposal is the idea of recycling of materials. A material can be collected after use and processed into the same material or serve as a precursor in another manufacturing process. This means that no waste is generated as the materials which are supposed to be disposed of as solid waste are processed into other useful materials. This will reduce the volume of solid wastes generated that may need to be disposed in a landfill.

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