3 years ago

How is wind deflation different from wind abrasion??

1 answer:

8 0

Wind deflation is when the wind blows away tiny sediments, while wind abrasion is where tiny bits of sediment are blown against rocks that they hit resulting in pitting, scarring, and scratching.

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You place a carrot in salt water for 24 hours. What do you observe about the carrot at the end of that time? Choose the two corr

natka813 [3]

Answer:

A & E

Explanation:

Salt water is a hypertonic solution, meaning it extracts water from whatever is placed in it. When a carrot loses water, it will most likely shrivel up and become limp.

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3 years ago

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Which substance has a mass is 13.5 grams, and its volume is 5 cm 3.

solmaris [256]

Answer:

Substance is Aluminium

Explanation:

We are given;

Mass; m = 13.5 grams

Volume; V = 5 cm³

Formula for density is;

density = m/V

Density = 13.5/5

Density = 2.7 g/cm³

From the table attached, we can see that the element with a corresponding density of 2.7 is Aluminium

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2 years ago

A box contains a mixture of small copper spheres and small lead spheres that are the same size. The total volume of both metals

Katena32 [7]

38% is the answer to the question

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2 years ago

Explain reaction of metals with the following with the help of chemical equations; i) with acids ii) with oxygen iii) with water

Cerrena [4.2K]

i. When an acid reacts with metal, a salt and hydrogen are produced:

ii. When oxygen and metal react, metal oxide forms also known as rust

iii. Acid and water produce hydroxide ions

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3 years ago

250 meters in 110 seconds what is the average speed in m/s

Dmitry [639]

Answer:

272 m/s

Explanation:

The boy jogs= 250 m

time he takes 110 seconds

average speed = 250/110

272 m/s

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2 years ago