L'air n'est pas un mélange gazeux, donc la réponse serait le verre
isotopes are atoms that have the same number of protons and electrons but different numbers of neutrons and therefore have different physical properties.
Answer:
A. Cell
Explanation:
Cells are basic units of structure and function in living things. This means that cells form the parts or an organism and carry out all of the an organism's processes, or functions.
Answer: FeO is called ferrous oxide while Fe2O3 is ferric oxide
Explanation:
Ferrous oxide, commonly known as iron(II) oxide contains iron that lost 2 elections in the oxidation process. So it is able to bond with other atoms that have an extra 2 electrons to share. Ferric oxide, is commonly known as iron(III) oxide
Answer:
the fossil clues and rock clues and the coastlines
Explanation:
hope this helps
