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Answer ➜ Competition and lack of nutrition are probably the main reasons and according to Biologists, the reason Earth is not covered with bacteria is that conditions are not ripe for bacteria to develop.
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Answer:
B. continent
Explanation:
All three of the other choices are used to classify biomes.
<span>Germination takes place when the conditions become favorable for a dormant seed. These conditions include availability of water, nutrition, sunlight as well as temperature. Dormancy prevent germiation in unfavorable conditions. Hard seed coats, impermeability, and immature embryo may also cause dormancy. </span>
<span>A photon of light is absorbed by a chlorophyll molecule. The photon increases the energy of an electron in the chlorophyll molecule, so the electron is boosted to a higher orbital. This excited state results in a redox reaction, in which the electron moves from the chlorophyll molecule to an electron acceptor, reducing it. The electron acceptor can be various different molecules such as chlorophyll A0.</span>
Answer:
horizontal=latitude. vertical=longitude
Explanation:
rungs of a ladder, which goes horizontal, sounds similar to latitude
