A scientific model is a representation of something in the natural world. Models allow scientists, such as marine biologists, to study things that may be too large, too small, or in some way too difficult to study.
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Astronomers use NASA's Spitzer Infrared Telescope and Chandra X-ray Observatory to see young stars, which emit a lot more high-energy radiation than their older versions.
Explanation:
Answer:
100g
Explanation:
The law of the conservation of mass states that atoms cannot be created nor destroyed, thus in a chemical reaction the sum of the mass of the reactant always equal the sum of the mass or the products. 75g of sodium plus 25g chlorine would combine to make 100g of sodium chloride
The 3 letter sequence of DNA or messenger RNA code that stands for one amino acid in a protein is called Codon
