Answer: B
Explanation:
When the outer electron shell is full in an element, this creates a Noble gas
.An ionic compound is made up of charged particles, called ions. This compound has an enormous lattice structure with strong electrostatic forces of attraction. With a full outer shell,the ions have the electronic structure of a noble gas
.
If the tank is a small one and filled with freshwater, an activity performed by a student that is investigating an abiotic factor using the setup would be to record the temperature of the water.
<span>This statement is true. Aquaculture involves the farming of different sea organisms that can provide food for humans and other water-dwelling species. It also is used to increase sustainability of resources by creating renewable energy and taking the strain off existing aquatic systems.</span>