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OverLord2011 [107]
3 years ago
13

Sayid recorded the temperatures of four substances in a chart.

Chemistry
1 answer:
nlexa [21]3 years ago
6 0

Answer:

d

Explanation:

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Sometimes people do not want to change their belief regardless of the evidence.
bagirrra123 [75]

Answer:

True

Explanation:

Ex. People against vaccines tend to believe crazy theories over facts because they think they'll end up brainwashing them.

6 0
3 years ago
The mass of an unidentified rock is 40 grams. Students determine the volume of the rock by placing the rock in a cylinder with w
insens350 [35]

Answer:

A. Coal

Explanation:

Volume_{rock} = water displaced by rock

Water displaced by rock = volume of water after rock is dropped into the cylinder - volume of water before the rock was dropped into the water

Water displaced by the rock = 180 ml - 150 ml = 30 ml

Volume_{rock} = 30 ml

Density of rock:

40 grams => 30 ml

x grams => 1 ml

Cross multiply

1*40 = 30*x

40 = 30x

40/30 = 30x/30

1.3 = x

Density of rock = 1.3 g per 1 ml

Recall: 1 ml = 1 cm³

Therefore,

Density of the rock = 1.3 g/cm³

1.3 g/cm³ falls within the range of 1.1 - 1.4 g/cm³

Therefore, the rock is identified as Coal.

7 0
3 years ago
PLEASE HELP
HACTEHA [7]
Not sure gets hotter prolly
5 0
2 years ago
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Why does ice float? ice is less dense than water. ice is denser than water. ice has a lower ph than water. ice has a higher ph t
Ivenika [448]
Ice floats on the surface of water 'cause <span>ice is less dense than water.

In short, Your Answer would be Option A

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8 0
3 years ago
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Report speech in grammar<br>​
cricket20 [7]

Explanation:

I don't understand the question

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