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Letter a) Protists would have less permeable membranes than those in hypotonic or Isotonic environments, wlowing less water to enter the coll. Also, they could possibly develop higher salt concentration within the cell to retain water.
Energy from the sun reaches Earth by way of radiation.
The sun cannot conduct heat to the Earth directly because the two bodies are not in contact with each other. Convection is also impossible, as no medium connects the two bodies to facilitate heat flow. Instead, the sun radiates much of its energy as light of various wavelengths. Some of this radiated light is in the infrared part of the spectrum and reaches Earth as heat.
Light in the visible part of the spectrum also has the effect of warming the Earth. It does this by penetrating the atmosphere and being absorbed by the land and water. Once the Earth has absorbed all of the energy it can hold, it begins to radiate energy back toward space. This terrestrial radiation is primarily in the infrared band of the spectrum, which is absorbed by aerosols in the atmosphere. These greenhouse gases trap heat and store up the surplus energy of the Earth's allotment of solar radiation. Eventually, even the atmosphere reaches thermal saturation and radiates waste energy back out into space.
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La biogeografía es el estudio de la distribución de especies y ecosistemas en el espacio geográfico y a través del tiempo geológico.
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Unfortunately, you can rarely identify a mineral only by its color. Sometimes, different minerals are the same color. For example, you might find a mineral that is a gold color, and so think it is gold. But it might actually be pyrite, or “fool's gold,” which is made of iron and sulfide.
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