Answer:
The blood brain barrier blocks chemicals from entering brain tissue.
Explanation:
Seedless plants do not have seeds or stems making the answer c. spores
Answer:
as humans population continues to grow, we're cutting down more trees and occupying more lands to suffice the need of citizens, therefore, decreasing the forest biodiversity. Our plastic bags, as well as wastes, are polluting the ocean and eradicating essential species that are required to sustain a balance ecosystem, therefore, decreasing the biodiversity of the ocean that are required to maintain a balance environment.
Answer:
A. Revise the hypothesis based on the results and use it to design another experiment.
Since the aphotic zone does not recieve sunlight it relys on the photic zone for the sunlight which in terms it does penetrate.
