10 MCQ ( with in 5 hours)

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10 MCQ ( with in 5 hours)

Q1

Why is it important to understand why carbon cycles through the ecosystems?

 
 
 
Question 2 of 10
 10.0 Points
Carbon dioxide is considered a greenhouse gas because it can

 
 
 

 

Question 3 of 10
 10.0 Points
Why are greenhouse gasses important to life on earth?

 
 
 

 

Question 4 of 10
 10.0 Points
Considering that there are other more powerful greenhouse gasses in the atmosphere, why did CO2 gained so much attention in the past decades?

 
 
 

 

Q5

Plants remove carbon from the atmosphere through the process of photosynthesis. During this process, CO2 is converted into sugar, and makes up ______% of the glucose molecule.

 
 
 

 

 

Question 6 of 10
 10.0 Points
How many kilograms of carbon are stored in a 160 kilograms log?

 
 
 
 

Question 7 of 10
 10.0 Points
To how many kilograms of CO2 do 5 kilograms of dried tree correspond?

 
 

 

 
Question 8 of 10
 10.0 Points
In the lab activity, why is the allometric equation important to us?

 
 
 
Question 9 of 10
 10.0 Points
If the average biomass of a 10m x 10m plot is 2057 kg, how much carbon is stored in the plant tissues?

 
 
 

 

Question 10 of 10
 10.0 Points
If the amount of carbon stored in the plant tissues of a certain plot is 5734 kg, how much CO2 has that plot removed from the atmosphere?

 
 
 
 

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