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marusya05 [52]
3 years ago
13

A pure substance that cannot be broken down into any other substance by a physical or chemical means is a (n) ______

Chemistry
2 answers:
natita [175]3 years ago
7 0
The answer is an Element
evablogger [386]3 years ago
3 0
An element cannot be broken down into any other substance by physical or chemical means.
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Which are processes that add to the genetic differences in siblings? Cheek all that apply. Interphase Independent assortment Cyt
dangina [55]

Answer:

Crossing over Mitosis

Explanation:

A process called meiosis ensures siblings share just about 50% of their genotype. That's how siblings can have different DNA. Meiosis is a form of cell division that is only used to produce a special category of cells, called gametes.

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3 years ago
A+uniform+cube+is+subjected+to+volume+expansion. +if+each+side+is+decreased+by+1%,+then+bulk+strain+is
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A uniform cube is subjected to volume expansion. Each side gets decreased by 1%, then the bulk strain is 0.03.

<h3>What is Volume?</h3>

Volume is the space occupied by a three-dimensional object.

<h3 />

Given that, the side cube is l, then

volume V = l³

\dfrac{\Delta V}{V} = \dfrac{3D1}{1}

For change in volume

% Change in volume = 3× % change in length

= 3 × 1%

Hence, bulk strain = 0.03.



Thus, the bulk strain is 0.03.

Learn more about bulk strain

brainly.com/question/14070556

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5 0
2 years ago
Which of the following is the correct formula used for calculating Speed?
MAXImum [283]

Answer:

A- Speed = distance/time

Explanation:

Would make sense and that's what I remember

3 0
3 years ago
Elements in the same period have the same…
ch4aika [34]

Answer:

Elements in the same period have the same (number of electron shells)

8 0
2 years ago
Where does the Rand water get its raw water from?
TiliK225 [7]

The Rand water gets its raw water from canal connected with Vaal Dam and also from Vaal River Barrage Reservoir.

Explanation

Rand water is a purified water supplier system which supplies drinking water in South Africa.

It also provides purified water in industries and helps in sanitization of waste water.

The Rand water gets their source from waters in spruits or streams and then they purify it and supply to country like Gauteng province, Johannesburg and other parts of African continent.

It gets source water from canal connected with Vaal Dam and also from Vaal river barrage reservoir.

It is then purified by removing the suspended impurities and disinfecting the water and then supplied by pipelines to each homes.

3 0
3 years ago
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