They will mix with air. Air consists mostly of nitrogen and oxygen but there are also traces of CO2 and noble gases in air, and helium is one of those noble gases.
<span>So we want to know which of the following is a renewable source of energy. So oil, natural gas and coal are examples of nonrenewable sources of energy because it takes them a very long time to form. Lumber is considered a form of renewable resource because today we have fast growing trees. </span>
Answer:
Under normal conditions, a magnetic material like iron doesn't behave like a magnet because the domains don't have a preferred direction of alignment. On the other hand, the domains of a magnet (or a magnetized iron) are all aligned in s specific direction.
Answer:
each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element.
"some elements have only one stable isotope"
Explanation:
there ya go! Pls give me brainliest!
Answer:
(A) 
(B) 
Explanation:
We have given inductance 
Resistance 
Time constant of RL circuit is equal to 
Battery voltage e = 16 volt
(a) It is given current becomes 79.9% of its final value
Current in RL circuit is given by
According to question
(b) Current at 
