Answer: Photosynthesis absorbs carbon dioxide and produces the oxygen we need for respiration or breathing. The rainforest is the most efficient absorber of carbon dioxide, but rainfall, soil and sunlight conditions must be right for this to happen.
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Answer:
4.54 km of earth's crust lies within mantel.
Explanation:
- Earth's continental crust is made of igneous, metamorphic, and sedimentary rocks and is composed of SIAL elements. The continental crust is made of various layers and has a density of 2.83 g/cm, while the oceanic crust is about 2.9 g/cm.
- The ontientla crust has usual thickness of 40 km (25 miles) thick and floats or rests on upper mantel or i.e the asthenosphere. While other parts of it lies within the mantel the depth of the continental crust ranges to 100 km,
- where r/25 = 2.7 / 3.2
- r/25 = 0.82
- r= 0.82 x 25
- r= 20.46
- 25 - 20.46 is 4.54 km.
Answer:Unpredictable
Explanation: Climate changes every second. For example it could be 70 Fahrenheit at 10:00 am but at 10:03 it could be 80 Fahrenheit
Answer:
B. False
Explanation:
All asteroids do NOT orbit the earth. They orbit the asteroid belt, however.
