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Clouds appear white because of scattering. The droplets in the clouds are huge compared to the wave length of light, so all wavelengths scatter at the same time. Hope this helps! :)
Answer: Photosynthesis has a role in the cycling of matter and flow of energy into and out of organisms.
Explanation:
The flow of energy and cycling of matter can be traced. The chemical reaction by which plants produce complex food molecules to occur requires an energy input
Answer:
d. Crossing over
Explanation:
Crossing over is a process that occurs during the meiosis (prophase 1) and represents the exchange of genetic material between non-sister chromatids of homologous chromosomes. As a result of this process new recombinant chromosomes (new allelic combinations in the daughter cells) are formed. Crossing over is a source of genetic variation.
Phase 1 of the creation of life on earth was that life on earth was from nothing. Small molecules were formed from atoms of carbon and hydrogen. Earth does not have any oxygen rather it contains CO2, methane, nitrogen, hydrogen and ammonia where they were from the eruptions of volcanoes.