Answer:
The correct option is<em> D) Models are not the "real thing" so it will never correctly represent the system in all respects.</em>
Explanation:
Scientific modelling can be described as a representation of the scientific theories or concepts in a way that can be better understood. Scientific models makes it easier to understand what physical, chemical or mechanical activity is taking place. Even mathematical representation comes under scientific modelling.
As models are not the real, hence they cannot be considered to be perfectly accurate. A model can never mark up to the complexity of nature.
Answer:
A nutrient is a chemical substance that organisms require to live.
Most of earth’s fresh water is stored in polar ice caps/ glaciers
Answer:
A compound is a molecule made of atoms from different elements.
Explanation:
All compounds are molecules, but not all molecules are compounds.There are two main types of chemical bonds that hold atoms together: covalent and ionic/electrovalent bonds. Atoms that share electrons in a chemical bond have covalent bonds. They make up compunds because they can join togther .
