Answer:
The greenhouse effect is a natural phenomenon that causes the surface of the Earth to steam. When sunlight strikes the Earth's atmosphere, part of it is reflected back to space, while the remainder is absorbed and re-radiated by greenhouse gases.
Explanation:
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Different organisms have different number of chromosomes
Ribosomes use amino acids to develop these proteins.
The valves are responsible for preventing blood from flowing in the wrong direction, they are present in the veins, and the arteries don't need them because the aorta (biggest artery) pumps or in other words pushes it with such a force that no other force can change its direction, in the veins there is no structure present for pumping them as a result we have got valves so that they go in one direction...... the meaning of the word valve is to allow in one direction
Answer:
be heritable and be an advantage to offspring
