Question
The density of the liquid when
heatedSolution
The mass density of a material varies with temperature and pressure. Increasing the temperature of a substance (with some exceptions) decreases its density by increasing the volume of that substance. In most materials, heating the bottom of a fluid results in convection of the heat from bottom to top of the fluid due to the decrease of the density of the heated fluid.
1) As we approach
2) the gate, I here the
3) guard stamp his feet
4) and hear the cocking of a weapon.
5) No error
...People will only contribute (A)/to the extent that (B)/their most personal information (C)/are protected (D).
Identify the segment that contains a grammatical error. If there is no error, select 'No error'.
There are several ways of increase production fr...
- Read each sentence to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Mark the part with the...
As the cases surges, (A)/the State quick updated (B)/their triage and treatment protocol (C)/to guide its response (D)/ to the new variant (E).
...He built the theatre as a tribute to his rootings (1)/ and the thought of it outlasting him, (2)/ would surely have given him the greatest joy. (3)/ No ...
He denied to have (A)/any part in writing the information packs (B)/and advertisements and said they (C)/were largely available when he arrived (D).
It is the ability to continuously (A) / refurbish and nuance all facets of his (B) / game that allows Roger Federer to outcompete (C) / and outlive much...
Restoring soil health would help at mitigate the effects of climate change. Â
The company’s profits (1)/ have grown steadily (2)/ since it launched (3)/ the new product last year.(4)Â
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