Answer:
A chemical element is a type of atom with the same number of protons in their <u>atomic</u> nuclei.
Explanation:
For an example, the atomic number of Chlorine is 17, and there is 17 protons in Chlorine.
If you have any questions feel free to ask in the comments.
I think the correct answers are options C and D. Examples of science are a farmer consulting a weather almanac to decide the best time to plant a crop and a<span> drug manufacturer testing a drug to determine its safety. These things require the knowledge on science and its related subjects.</span>
Answer:
if i'm not mistaken it's the nucleic acid.
You need organisms like some are in plants and without Plants how will the animals eat