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Elan Coil [88]
3 years ago
5

Which type of environmental science career involves collecting information about how human events impact the environment?

Physics
2 answers:
zavuch27 [327]3 years ago
8 0

The correct answer is: a.  Environmental journalist

An environmental journalist is someone who collects information about matters relevant to the environment, and reports or publishes this information in journals, magazines and reports. On the other hand, environmental physicians, designers and engineers are not involved in collecting information regarding the environment. Instead they focus on designing and building tools and structures that benefit and conserve the environment. Thus, the correct answer is A: An environmental journalist's career involves collecting information about how human events impact the environment.

Viktor [21]3 years ago
4 0
I just took the test the answer is A. environmental journalist
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The refractive index of glass is 1.52
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Explanation:

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A person is listening to a tone of 500 Hz sitting from a distance of 450 m from the source of the sound. What is the time interv
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Answer:

ΔX = λ = 0.68 m

Explanation:

Wave speed is related to wavelength and frequency by the equation

          v = λ f

where the speed of sound is 340 m / s

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          λ = 340/500

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5 0
3 years ago
A supersonic nozzle is also a convergent–divergent duct, which is fed by a large reservoir at the inlet to the nozzle. In the re
Lady_Fox [76]

Answer:

155.38424 K

2.2721 kg/m³

Explanation:

P_1 = Pressure at reservoir = 10 atm

T_1 = Temperature at reservoir = 300 K

P_2 = Pressure at exit = 1 atm

T_2 = Temperature at exit

R_s = Mass-specific gas constant = 287 J/kgK

\gamma = Specific heat ratio = 1.4 for air

For isentropic flow

\frac{T_2}{T_1}=\frac{P_2}{P_1}^{\frac{\gamma-1}{\gamma}}\\\Rightarrow T_2=T_1\times \frac{P_2}{P_1}^{\frac{\gamma-1}{\gamma}}\\\Rightarrow T_2=00\times \left(\frac{1}{10}\right)^{\frac{1.4-1}{1.4}}\\\Rightarrow T_2=155.38424\ K

The temperature of the flow at the exit is 155.38424 K

From the ideal equation density is given by

\rho_2=\frac{P_2}{R_sT_2}\\\Rightarrow \rho=\frac{1\times 101325}{287\times 155.38424}\\\Rightarrow \rho=2.2721\ kg/m^3

The density of the flow at the exit is 2.2721 kg/m³

4 0
2 years ago
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