Answer:
The oxygen enters the bloodstream from the alveoli, tiny sacs in the lungs where gas exchange takes place (Figure below). The transfer of oxygen into the blood is through simple diffusion. ... While oxygen moves from the capillaries and into body cells, carbon dioxide moves from the cells into the capillaries.
Explanation:
Dark Energy explains:
How groups of objects function together, and also to keep the universe expanding
Hope this helped.
Answer: It is a technique used to amplify a segment of DNA of interest or produce lots and lots of copies. In other words, PCR enables you to produce millions of copies of a specific DNA sequence from an initially small sample – sometimes even a single copy. (looked it up on google lol)
Unlike, biotic factors, abiotic factors are considered to be non living things and or objects. These usually are the components surrounding the environment for which the organism is found in and requires.
These include : water, soil, sunlight, nutrients and minerals etc.
Run off refers to water drainage or canals. Limiting the amount of human waste and chemicals in this certain areas will decrease water pollution. Not only that, it will also decrease the possibilities of floods in the various places.
It will lessen the chemicals that pollutes our water and result to water pollution.