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Kitty [74]
3 years ago
13

what is speculation? how does speculation occur? what role did the speculation play in the great depression?

Geography
1 answer:
xenn [34]3 years ago
5 0

Answer:

1) The forming of a theory or conjecture without firm evidence. Or, investment in stocks, property, or other ventures in the hope of gain but with the risk of loss.

2) Speciation occurs when two or more populations become so genetically distinct that they no longer interbreed with one another. There are multiple ways this can occur. The natural ways speciation can occur are allopatric, parapatric, and sympatric speciation.

3) Before the Great Depression, there were limited regulations that governed the stock market. Investors were able to speculate wildly and buy stocks on margin or using borrowed money. ... The poor policies that governed the stock market proved to be another of the causes of the Great Depression.

I think 1 and 2 might be wrong but, hope it helped!

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Some of the earliest research on was conducted by Robert T. Paine, who actually coined the term keystone species. For over 25 ye
fenix001 [56]

Answer:

The answer is C)

Explanation:

The predators were unable to keep the population of the mussels down. The mussels took more area of the rock. Other species that needed space did not return to the tidal pool. Otters can also be keystone species as they eat urchins. By doing so, they prevent the sea urchins form eating all the kelp plants and removing the entire habitat for many other species. The Keystone Species theory shows that this impact of few predators, that made up a minor amount of the total species, could have such a high impact on the ecosystem.

4 0
3 years ago
Most of Canada's population is along the U.S. border.<br> True<br> Or False
Alex_Xolod [135]
Answer:true

Explanation: Seventy-five percent of Canada's population resides in a narrow 150-kilometre band pushing up against the U.S., with close ties south of the line.
3 0
3 years ago
Calculate the amount, in grams, of an original 300-gram sample of radioactive isotope Potassium-40 remaining after
Aleksandr [31]

Answer:

The current amount of the Potassium-40 sample is approximately 37.521 grams.

Explanation:

The amount of the sample of the radioactive isotope decays exponentially in time, the amount of mass of the sample as a function of time (m (t)), in grams, is described below:

m(t) = m_{o}\cdot e^{-\frac{t}{\tau} } (1)

Where:

m_{o} - Initial mass, in grams.

t - Time, in years.

\tau - Time constant, in years.

The time constant can be found from half life (t_{1/2}), in years, described in statement:

\tau = \frac{t_{1/2}}{\ln 2} (2)

If we know that m_{o} = 300\,g, t = 3.9\times 10^{9}\,yr and t_{1/2} = 1.3\times 10^{9}\,yr, then the current amount of the sample is:

\tau = \frac{1.3\times 10^{9}\,yr}{\ln 2}

\tau \approx 1.876\times 10^{9}\,yr

m = (300\,g)\cdot e^{-\frac{3.9\times 10^{9}\,yr}{1.876\times 10^{9}\,yr} }

m\approx  37.521\,g

The current amount of the Potassium-40 sample is approximately 37.521 grams.

4 0
3 years ago
Growing sugar beets for sugar, as an alternative to importing sugar made from sugar cane, is an example of
gregori [183]

Answer: A) import substitution.

Explanation:

Import substitution is the process of replacing items sourced solely from other countries with domestic production/industries.  It reduces or eliminates the reliance on importation and is usually put in place for key products.

It is also practiced by developing countries or economies as a policy to reduce dependency on other countries, as well as limit the effects of foreign trade on the foreign exchange market.

8 0
3 years ago
Is the underlined verb in the sentence an action verb or a being verb? I have been hungry all morning.
zmey [24]

A being verb is the answer

3 0
3 years ago
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