<u>Answer:</u>
The Answer is <em><u>Option D. </u></em>
<em>Exchange of respiratory gases, oxygen and carbon dioxide take place in the alveoli of the lungs. Oxygen which is inhaled from the atmosphere diffuses through the walls of the alveoli and reaches to the adjacent capillaries into the red blood cells.</em>
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Yes. Indirectly, through plants. Without plants using photosynthesis, and therefore, creating oxygen, we wouldn't have enough breathable air.
1/4 if by express you mean in the genotype
1/2 if by express you mean in the phenotype
<span>Populations of a short type of sunflower are identified as a new species under the conditions that </span>they are unable to breed with the sunflowers of the original population.
Answer:
both: soled at room temp, they are made of molten
sedimentary: are made of weathered pieces of rock, form above the surface
igneous: form in the earths crust, and the big definition
Explanation:
