![subject](/tpl/images/cats/fizika.png)
A study of the Earth by The National Aeronautics and Space Administration (NASA) determined there were 7.80×1011 tons of carbon stored in living plants on the Earth's surface, at the time of the study. Calculate the mass of carbon stored in these plants in grams. (1 ton equals 907.19 kg)
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Physics
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 06:00
What will a positive and a negative charge do if they are separated from each other?
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 11:00
I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.
Answers: 1
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 11:30
What is the name for the remnant of an asymptotic giant that has lost its shells? black dwarf white dwarf yellow giant black hole
Answers: 3
![question](/tpl/images/cats/fizika.png)
Physics, 22.06.2019 14:20
4r-134a enters the condenser of a residential heat pump at 800 kpa and 50°c at a rate of 0.022 kg/s and leaves at 750 kpa subcooled by 3°c. the refrigerant enters the compressor at 200 kpa superheated by 4°c determine (a) the isentropic efficiency of the compressor, (b) the rate of heat supplied to the heated room, and (c) the cop of the heat pump. also, determine (d) the cop and rate of heat supplied to the heated room if this heat pump operated on the ideal vapor-compression cycle between the pressure limits of 200 and 800 kpa. (0.757, 4.37 kw, 5.12, 6.18, 3.91 kw)
Answers: 3
You know the right answer?
A study of the Earth by The National Aeronautics and Space Administration (NASA) determined there we...
Questions
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.07.2021 14:00
![question](/tpl/images/cats/User.png)
SAT, 29.07.2021 14:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ekonomika.png)
Business, 29.07.2021 14:00
![question](/tpl/images/cats/health.png)
Health, 29.07.2021 14:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.07.2021 14:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 29.07.2021 14:00
![question](/tpl/images/cats/en.png)
English, 29.07.2021 14:00
![question](/tpl/images/cats/fizika.png)
Physics, 29.07.2021 14:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.07.2021 14:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.07.2021 14:00
![question](/tpl/images/cats/en.png)
English, 29.07.2021 14:00
![question](/tpl/images/cats/biologiya.png)
Biology, 29.07.2021 14:00