Answer:
b. filters dirt and pollution out of the water
Explanation:
just answered the question :)
Explanation:
valence electron, any of the fundamental negatively charged particles in the outermost region of atoms that enters into the formation of chemical bonds. Whatever the type of chemical bond (ionic, covalent, metallic) between atoms, changes in the atomic structure are restricted to the outermost, or valence, electrons.
I am not that good, but maybe the digestive system
<u>Avions</u>.
Step by step Explanation:
This is because, terrestrial animals live only on land, while aquatic animals live only in water and amphibians like frogs live both in land and water.
From the above the options, they live either in land or water but not in air or fly.
Therefore, the answer is <u>Avions</u>
For the set of number of subatomic particles given, we determine if it represents an ion if the number of protons and electrons are different. From the choices, only the 2nd choice has different number of electrons and protons. Further, that represent a negative ion as there are more electrons than protons. All the rest of the choices do not satisfy the conditions.