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3 years ago

How does the collection of data in environmental science differ from many other areas of science?

Advanced Placement (AP)

2 answers:

enyata [817]3 years ago

7 0

Answer:

Data collection of environmental sciences is done in the field. As the field is not a homogenous and regulated environment this collection goes through many limitations and difficulties that affect all research.

Explanation:

Environmental sciences deal with issues related to the environment, sustainability, biodiversity, bioeconomics, etc. The objective of this scientific area is to recover degraded or contaminated areas, promoting environmental conservation and sustainable development. Environmental sciences carry out environmental impact studies and conservation of environmental preservation units.

As this is field research with direct contact with nature, environmental sciences face many challenges in order to collect efficient data for their studies. This is because the field is extremely heterogeneous and unregulated. Unlike other sciences that can search for data in more homogeneous and easy to evaluate places.

erma4kov [3.2K]3 years ago

5 0

The collection of data in the field of environmental science has many challenges and limitations which affect the way the research in the field is conducted as compared to many other areas of science.

Environmental science pertains to the study of the environment in the physical and biological aspect.

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guapka [62]

Osmosis is the net movement of water molecules through a semi-permeable memberane from a region of higher water potential to a region of lower water potential.

so in the first case, since 10% of sucrose solution has a lower water potential than the pure water, so water molecules will flow into the sac, causing the sac to increase in volume. note that sucrose molecules can't diffuse out since there's a semi-permeable membrane.

in the question, I'm not 100% sure what the "sac solution" is meant by, but I guess it's the solution inside the sac

so here if the sac sucrose is 20%, the concentration of water is larger in difference than the first time, so osmosis rate will increase.

but if the "sac solution" is meant by replacing the water of the first case, then the sac inside would have a higher water potential, as the sucrose concentration is more diluted. then the water molecules will flow from the sac back to the beaker or whatever container it is.

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3 years ago

Helicopter blades withstand tremendous stresses. In addition to supporting the weight of a helicopter, they are spun at rapid ra

Radda [10]

NOTE: Check your formula sheet if you have one these are often there.

Ac = $\frac{V^{2} }{r}$ = rω^2

We know r = 4.00m

but what is ω?

ω = $\frac{2π}{T}$ = 2π*f

f is our frequency. we want it in seconds so we can divide by 60.

300/60 = 5rev/s

Ac = rω^2 = (4)(5)^2 = 100m/s

(b) Linear speed or v is equal to v = ω = (5)(4) = 20m/s
340 / 20 = 17

The speed of sound is 17 times faster.

NOTE: finished physics so i might be rusty and use an equation wrong. Tell me if something doesnt make sense. Im still new to this myself.

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3 years ago

Read 2 more answers

You are given a box of 100 silver dollars, all facing "heads" up. You are instructed to shake the box 3 times; after each shake,

NemiM [27]

Answer:

Explanation:

Assume that after each shaking, a silver dollar has an equal chance of "head" or "tail" up.

There will be likely 100/2 = 50 dollar coins with "heads" up. Removing them leaves 50 coins.

Again after the second shakes, 50/2 = 25 coins will likely be "heads" up. Removing them leaves 25 coins.

After the third shakes, approximately 25/2 = 12.5 coins will be "heads" up. Of course there is no 0.5 coin. Rounding up you likely get to keep 13 dollar coins.

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3 years ago

The equations of the tangent to the curve y=xsinx at the point (pi/2,pi/2) is

never [62]

The first thing you have to realize is that tangent is the slope of a curve on a given point. You can solve for the slope by finding the derivative of the given function. So:

$\frac{d}{dx} xsin(x)$

Next use product rule (I recommend watching videos if you're confused):

$= [sin(x)] + [x*cos(x)]$

Next substitute you x-value (π/2) into your derivative:

$= [sin( \frac{ \pi}{2} )] +[ \frac{\pi}{2}*cos( \frac{\pi}{2})]$
$= 1 + \frac{\pi}{2} *0$
$= 1$

So our slope at π/2 is 1. Next we use our slope-form and substitute our given value and solve for y-intercept (algebra-stuff)

$( \frac{\pi}{2}) = 1( \frac{\pi}{2}) + b$
$b = 0$

So we get our equation:

$y = x$

So our answer is E

Feel free to ask any questions.
Hopes this helps!

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3 years ago

A) Describe the author’s main argument about efforts to establish a global “human rights standard.”

Taya2010 [7]

Answer:

Answer to the following question is as follows;

Explanation:

The primary argument of a writer in an article is the assertion that regulates the entire article, that really is, it is the writer's opinion on a subject matter that will evaluate all of the knowledge described in the paper, in which the person who wrote this article will display evidence that demonstrates how his point of view is completely accurate and therefore should be treated seriously.

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