The Answer would be C. Without plants in the ecosystem, it could not feed. Plants are mainly the only producers that feed 3rd level consumers which feed 2nd level consumers which feed 1st level consumers.
Strawberry, bread, bananas/ lemonade, milk, water/ nitrogen, oxygen, carbon dioxide
The answer should be 261.97 g/mol
Helium only possesses two valence electrons, while the other noble gasses posses eight
Explanation:
Just a few things to remember:
-
# of neutrons = Mass number - # protons
-
Mass number = # protons + # neutrons
-
Atomic Number = # of protons
- # of electrons = # of protons - charge on the atom
-
Symbol - use the atomic number to find the element in the periodic table