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MArishka [77]
3 years ago
14

Scientists calculated the net primary productivity at two different forest sites. Both forests have the same gross primary produ

ctivity. Forest A has a net primary productivity of 1,650kcal/m^2/year, and forest B has a net primary productivity of 1,110kcal/m^2/year. Which of the following statements is best supported by the data?
A. Forest A has a higher rate of decomposition by bacteria than forest B.
B. Forest A has more biodiversity than forest B.
C. Forest A producers have lower rates of cellular respiration than forest B producers.
D. Forest A producers have more biomass than forest B producers.
Business
1 answer:
AlekseyPX3 years ago
7 0

Answer:

D. Forest A producers have more biomass than forest B producers.

Explanation:

Forest A has a net primary productivity of 1,650kcal/m^2/year,

and forest B has a net primary productivity of 1,110kcal/m^2/year.

biomass is the stored energy in plant and animal obtained from sun. the rate of calculation is calories/area/year

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How are prices determined in a free market economy​
professor190 [17]
If it’s free then I don’t think they need to determine the price bc it’s free
5 0
3 years ago
Contingency costs in the project costs estimate, also referred to as ____, are to cover unexpected situations that may come up d
slega [8]

Answer:

Reserves

Explanation:

Risk is any uncertain event with positive or negative consequences on a project. Contingency costs are related to risks, and therefore cannot be disregarded in risk management within a project. It is essential that management plan and prevent for the project to occur in a predictable and effective manner.

7 0
3 years ago
Charismatic leaders ________
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Answer:

C

Explanation:

one it makes sense & it fits in the context of the sentence

7 0
3 years ago
A firm has estimated the following demand function for its product:
Rom4ik [11]

Answer:

(i) Q=300

(ii) Elasticity of Demand=-3.33 (elastic)

(iii) Income Elasticity= 2.5 (normal good)

(iv) Advertising Elasticity: 1.5

Explanation:

The Demand function is given by

Q=100-5P+5I+15A

(1) To solve (i) we need to replace P = 200, I = 150, and A = 30 in the demand equation:

Q=100-5(200)+5(150)+15(30)=300

(2) To find the price elasticity (how much quantity demanded changes with price) we use the point price elasticity formula

\eta_{Price}=\frac{\Delta Q}{\Delta P}\frac{P}{Q}

From the above equation we get: \frac{\Delta Q}{\Delta P}=-5

Replacing in the elasticity formula

\eta_{Price}=-5\frac{200}{300}=|-3.33|>1

in absolute terms the elasticity is bigger than one so it is an elastic demand.

(3) For income elasticity (how much quantity demanded changes with income), we proceed similarly as above. But the derivative is respect to income

\eta_{Income}=\frac{\Delta Q}{\Delta I}\frac{I}{Q}=5\frac{150}{300}=2.5>1[/tex]

Which is bigger than one, denoting this is a normal good because it's bigger than one.

(4) Advertising elasticity (how much quantity demanded changes with expenditures in advertising), we proceed as before

\eta_{advertising}=\frac{\Delta Q}{\Delta A}\frac{A}{Q}=15\frac{30}{300}=1.5

3 0
3 years ago
A proposed nuclear power plant will cost $2.2 billion to build and then will produce cash flows of $300 million a year for 15 ye
pochemuha

Answer:

Project NPV at 5% discount rate = $1346 .78

Project NPV at 18% discount rate = -597.4

Explanation:

Below is the given values:

Initial cost = $2.2 billion

Yearly cash inflow, A = $300 million

Time = 15 years

Salvage value, S = $900

Project NPV at 5% discount rate = A (P/A, 5%, 15) + S (P/F, 5%, 15) - Initial cost

Project NPV at 5% discount rate = 300 (P/A, 5%, 15) + 900 (P/F, 5%, 15) - $2.2 billion

Project NPV at 5% discount rate = 300 (10.3796) + 900 (0.4810) - $2.2 billion or 2200 million

Project NPV at 5% discount rate = $1346 .78

Now,

Project NPV at 18% discount rate = 300 (5.0915) + 900 (0.0835) - $2.2 billion or 2200 million

Project NPV at 18% discount rate = -597.4

4 0
3 years ago
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