Destruction of their habitat: ex. Fires
In the section titled “Threats to Caribou” the author states, “Forest fires destroy resources like plants and grasses that caribou need to eat. Water resources are also threatened.”
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The factor that would have the net effect of making a place warmer during summer would be that it is in the middle of a landmass.
The reason why a warmer summer would be present at the middle of a landmass is because landmass:
1. Has a lower specific heat capacity, and therefore can be heated up quickly, through receiving insolation from the sun.
2. Land is opaque, therefore insolation only concentrate in shallow areas, making the surface temperature increase.
3. There is no mixing of warm and cold layers, along with the lack of presence of evaporation, there would be less cooling
In sum, the above effects can be called continental climate, and thus the middle of a land mass is cooler.
For your reference, here's why the other options are not correct:
At a high elevation near an ocean - near the ocean would mean it has a maritime effect and therefore a cooler summer.
At a high latitude - with the less dense air, heat will be absorbed faster resulting in faster heat loss hence a cooler summer.
Hope it helps!
The order of magnitude is calculated through logarithms. So log (240000) = 5.38. The order is 5. Good luck!
Answer:
The luminosity of both the stars is same star A is closer to the planet Earth as compared to star B.
Explanation:
From the mentioned case we can infer that the most accurate relation between the stars and the astronomer on earth observing for over a period is that the luminosity of the stars is same.
The more drawn out the pulsation time frame, the more brilliant the star. The period-luminosity connection for old style Cepheid was found in 1908 by Henrietta Swan Leavitt in an examination of thousands of different stars in the Magellanic Clouds.
Answer:
The International Date Line provides a standard means of making the needed readjustment: travelers moving eastward across the line set their calendars back one day, and those traveling westward set theirs a day ahead.
