sub-science
std 7th
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Answers
Answer:
in 2 it's land breeze or sea breeze
Answer:
1) They have curved claws which help them to walk in snow and to swim in water. These adaptations help the penguin to survive in the extreme condition of the Polar Region.
2) During the day, the sun heats up both the ocean surface and the land. ... The wind will blow from the higher pressure over the water to lower pressure over the land causing the sea breeze. The sea breeze strength will vary depending on the temperature difference between the land and the ocean. At night, the roles reverse.
3) The air has a lower pressure when it's moving more quickly. As you blow into the mouth of the bottle the air is moving fastest - so is at the lowest pressure. Inside the bottle, the air is moving more slowly - so a higher pressure. As the pressure is higher inside the bottle than in the mouth this pushes the paper out!