It's harmful to humans; especially Children and Infants. Because it affects the development of the brain and nervous system
Answer:
The correct answer is - transparent medium.
Explanation:
A transparent substance or medium is the substance that allows light to pass through it. Light moves through these substances as they do not absorb the light and do not reflect too.
The example of such substances is glass, air or water. These substances allow light to pass through them.
Thus, The correct answer is - transparent medium.
I think it's the c (<span>.all the gases that surround the Earth)</span>
Answer:
The answer to 12 is Indium... you should be able to figure out the rest from there with help from the internet since i've given you the element
Explanation:
I would usually do it but I got a ton of hw

The relationship between mass of matter per unit volume is known as :

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