It would be Primary because the lake is it’s starting point and the pollution grew all the way to the factory.
A picture of the graph will help us help you
The answer is True, I hope it helps.
The Organism that the biologist observed was a part of the Porifera phylum.
Answer:
The study found the fruit-bearing plants had evolved to cater to the visual capabilities of the main seed-dispersing animals in each place.
Explanation: