<span>A small proportion of helium in the crust is helium that was trapped in the Earth when the Earth formed and has not yet escaped. Most helium on Earth, however, forms as a result of alpha decay of uranium and thorium. The emitted alpha particles, once they grab a couple of stray electrons, become helium atoms and can accumulate in gas reservoirs along with things such as methane.</span>
It would be 20 give me bravest
Answer:
Check the explanation
Explanation:
Acidipic Acid <u><em>(which is an essential dicarboxylic acid for manufacturing purposes with about 2. 5 billion kilograms produced per year. It is mainly used for the production of nylon and its related materials.)</em></u>
Going by the question, since the 
is comparatively mild oxidizing agent than the 
, it only oxidizes the carbon group
Kindly check the attached image below for the full explanation to the question above.
(4) slate because it is the strongest
DNA testing which I think is the largest breakthrough.
