Answer:
B. (◕ᴗ◕✿)(◕ᴗ◕✿)▼・ᴥ・▼◖⚆ᴥ⚆◗
Answer:
Explanation:Invasive species are a problem because they disrupt other species and they can overpopulate and wipe out other species.
Answer:
a sequence of nitrogen bases
Explanation:
Hm i cannot download the pdf
The correct answer is Salinity.
Salinity refers to the principal characteristic that determines whether an aquatic ecosystem is classified as marine or freshwater. It is the measure of all the salts dissolved in water. It is usually measured in parts per thousand.