Answer:
Can I get my 50 points now?
Explanation:
The helium is formed during the natural radioactive decay of elements such as uranium and thorium. These heavy elements were formed before the earth but they are not stable and very slowly, they decay. One mode of decay for uranium is to emit an alpha-particle.
Answer:
Radio, Microwave, Infared, Ultraviolet
Explanation:
look at the EM spectrum
The conclusion best supported by the data can either be high temperature, low temperature, and normal temperature. Since there are diverse substances included in the chart, It is expected to also have diverse temperatures.
Answer:
The smallest unit of a compound is a molecule, which is made up of atoms held together by bonds.
