Physics, 15.07.2020 01:01 talannajanis
Which three of the following steps in the carbon cycle describe how carbon moves between Earth's subsystems?
1. When fossil fuels are burned, they release carbon dioxide into the air.
2. Decaying organic material buried in the crust turns into fossil fuels.
3. Plants use carbon dioxide in the air to perform photosynthesis.
4. Animals use carbon stored in plants by eating them.
5. Carbon dioxide in the air is dissolved in the oceans' shallow waters.
Answers: 1
Physics, 22.06.2019 10:00
How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.
Answers: 1
Physics, 22.06.2019 11:50
Find the dimensions and area of the largest rectangle that can be inscribed in the upper half of the ellipse. (give your answers in terms of a and b. enter the dimensions as a comma-separated list.)
Answers: 2
Physics, 23.06.2019 00:20
The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 ร 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g
Answers: 2
Which three of the following steps in the carbon cycle describe how carbon moves between Earth's sub...
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