Answer:
In which part of a nuclear power plant does fission take place? A home is heated by a system that uses sunlight to warm water in pipes. Which statement best describes this system? An active solar system because sunlight shines on the pipes naturally.
Explanation:
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FOLLOW MY ACCOUNT PLS PLS
Explanation:
It is known that for
, ppm present in 1
are as follows.
1
= 0.494 ppm
So, 150
= 
= 0.15 
Therefore, calculate the equivalent concentration in ppm as follows.

= 0.074 ppm
Thus, we can conclude that the equivalent concentration in ppm at STP is 0.074 ppm.
Answer:
left to right across a period when it decreases and when it increases top to bottom in a group,
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Answer:
The heart and the blood vessels are a part of the circulatory system. The blood vessels include the arteries, veins and capillaries. The lungs are considered to be the pulmonary part of the circulatory system. The heart is the cardiovascular part of the circulatory system and the vessels are the systemic part of the circulatory system. The main function of the circulatory system is to supply all parts of the body with oxygenated blood and to take away the deoxygenated blood from all parts of the body.