Lungs take in gas from the Atmosphere, where the Oxygen is diffused into the blood cells, which take the Oxygen to different organs/places that need it. . .
Gills take in dissolved oxygen from the water, and then use diffusion like lungs.
Answer: c
Explanation:
rainforests are not underwater
how bout i say look the answers up on google, these answers will make u fail the test. rust me from experience these past couple of weeks sis
Answer:
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Explanation:
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The earth is only the planet in the solar system that is suitable for survival of living organisms including human civilization. The earth is about 4.55 billion years old. It is the third planet on the basis of distance from the sun and fifth largest planet in the solar system. The average surface temperature of the earth is 15º C. Earth consists of 71 % of water and 29% of land. It is 1.5 × 10⁸ km far from sun ( 1 AU ). It's rotation period is 24 hrs and revolution period is 365 days 6 hrs ( reasons for leap year ). It consist of one natural satellite called moon.
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Hope I helped!
Best regards!!
Ok so...the sun would be in the middle...and the earth and moon will be on on opposite sides of eachother