Answer:
d.
Explanation:
Radiant energy is electromagnetic energy that travels in transverse waves. Radiant energy includes visible light, x-rays, gamma rays, and radio waves. Light is one type of radiant energy. Sunshine is radiant energy, which provides the fuel and warmth that make life on earth possible.please mark brainliest
<span>This is invalidate, because the amount of energy should stay constant.</span>
The relationship is classified as MUTUALISM. Mutualism is a kind of biological relationship between two organisms in which the two of them benefits from the activity of each other. In the case of the bee and the bacteria inside its gut, the bacteria helps the bee to metabolise its food while getting its own nutrients in the process.
D is DNA
B is cell membrane
C is ribosomes
A is cytoplasm
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An example of <span>nonsubstituted alkane that can exist as one of only two isomers is Butane with molecular formula </span>

<span>.</span>
Isomers are those having the same molecular formula but different chemical structure.
Non-substituted alkane means it is not substituted by any other atom.It has only carbon and hydrogen atoms attached to it.