I don't know about the other ones but the sky is blue because molecules move from the sun than the red from the sun. The blue has separated from the sun.
...the diminishing of the Ozone layer...
The correct is option (C) includes bacterial genes that produce a toxin that reduces damage from insect pests.
Due to advancements in plant biology, some plant species can now incorporate unique traits that are typically not found in their species. New and improved plant strains can be created using plant biotechnology. This technology is heavily utilized to advance agriculture.
A particular crystalline insecticidal protein is created by combining a specific gene sequence from the bacteria Bacillus thuringiensis with plants. Bt plant is a common name for these transgenic plants. One such transgenic plant that protects transgenic maize from damaging insects and pests is bt maize.
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The aveolus is surrounded by capillaries. So capillaries carry deoxygenated blood to the alveolus where the oxygen from the alveolus diffuses into the blood in the capillaries. The deoxygenated blood is now oxygenated and is carried out of the lung via capillaries that then merge into the pulmonary vein.
In other words, alveolus does not have oxygenated blood it just puts oxygen into the deoxygenated blood hat this brought in.
Answer:
This is not a question we can answer, this is a question only you can answer because it is asking for your personal belief on wether alien's exist outside of earth or not.
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