The plasma membrane of a cell is selectively permeable, which means it allows some materials to pass.
Answer: C) or the third option.
Answer:
Down (plumaceous), (insulation)
Tail (pennaceous), (flight)
Contour (plumaceous/pennaceous), (flight/insulation)
Bristle (pennaceous), (flight)
Filoplume (pennaceous), (flight)
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Answer:
1. Wind is an important element when it comes to current weather and predicting future forecasts. Wind transports moisture and temperature from one area to another, therefore weather conditions change with the shift of wind direction.
2.All plants and animals, including humans, are exposed to the dangers of solar UV radiation; it can cause significant damage to plants, as seen in crop yield reduction and leaf burn, and can damage animal skin health.
3.sun-light is a key energy source for all plants. Through a process called photosynthesis, plants absorb energy from the sun, which fuels the processes necessary for survival.
4.The Sun warms our planet, heating the surface, the oceans and the atmosphere. This energy to the atmosphere is one of the primary drivers our weather. Our climate is also strongly affected by the amount of solar radiation received at Earth.
Explanation:
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