the answer is c. falls
\\
they keep all of the viruses out. it is a defencive system
B. It prevents reproduction between populations.
C. It reduces competition between the populations.
D. It protects one of the populations from predation.
Answer;
B. It prevents reproduction between populations.
Explanation;
Geographical isolation refers to a population of animals, plants, or other organisms that are separated from exchanging genetic material with other organisms of the same species.
Geographic isolation causes individuals of an original species to accumulate sufficient genetic differences to prevent them breeding with each other when they are reunited.
B) The polarity of the water molecule helps it to cohere to nearby water molecules, forming a skin over it
C) The weight of the water molecule helps it to cohere to nearby water molecules, forming a skin over it
Phosphorus cycles between living things and the SOIL
Explanation:
Phosphorus flows in a cycle within rocks, water, soil and sediments, and organisms. The phosphorus cycle is the biogeochemical cycle that represents the action of phosphorus within the lithosphere, hydrosphere, and biosphere. Phosphorus is an essential element for all sorts of life. As phosphate (PO4), it delivers up an essential part of the structural core that holds DNA and RNA mutually.
Good Morning
Phosphorus cycles between living things and the Soil
I hope that's help ↑↑↑
↓↓↓↓↓↓↓↓
Happy Sunday :)