Answer:
The albedo temperature for Mars and Venus are 210K and 184 K respectively.Mars albedo temperature is closer to its black body temperature such that the Venus has more albedo.Thus there is a chance that Mars would have had life in their history.
Explanation:
The albedo temperature is given as
![Te =\left [\dfrac{L(1-a)}{ (16\pi \sigma D^2}\right]^{1/4}](https://tex.z-dn.net/?f=Te%20%3D%5Cleft%20%5B%5Cdfrac%7BL%281-a%29%7D%7B%20%2816%5Cpi%20%5Csigma%20D%5E2%7D%5Cright%5D%5E%7B1%2F4%7D)
Here
L = Solar luminosity = 3.846*1026 W m-2 K-4
D = distance from Sun
σ = the Stefan-Boltzman constant = 5.6704 * 10-8 W
a is the albedo constant whose value for Mars is 0.250 while for Venus it is 0.900
So the albedo temperature is given as
Venus: 184 K
Mars: 210 K
The black body temperature is given as
![Te =\left [\dfrac{L}{ (16\pi \sigma D^2}\right]^{1/4}](https://tex.z-dn.net/?f=Te%20%3D%5Cleft%20%5B%5Cdfrac%7BL%7D%7B%20%2816%5Cpi%20%5Csigma%20D%5E2%7D%5Cright%5D%5E%7B1%2F4%7D)
By substitution of the values, the black body temperature for Venus and Mars are as
Venus: 327 K
Mars: 225 K
Mars albedo temperature is closer to its black body temperature such that the Venus has more albedo.
Thus there is a chance that Mars would have had life in their history.
Answer:
One source would be from the United Nations and foundations such as World Relief. The United Nations can help with food, clothing, schools, and immediate needs for the country. World Relief works worldwide to end poverty and lessen the burden of poverty on poor countries.
Explanation:
Answer:job creation- <u>benefits,</u>temporary expenses such as security-<u>costs,</u>disruption of normal businesses and commerce-<u>costs</u>, increase in tourism during and after the olympics-<u>benefits</u>,expenses for new infrastructure-<u>cost</u>,increase in civic pride and community unity-<u>benefits</u>, possibility that new infrastructure will not be used enough following the olympics-<u>cost</u>, dollars used to prepare for the olympics cannot be used to address other concerns in the city -<u>cost</u>. community improvements in transportation and other infrastructure-<u>benefits</u>
Explanation:
Answer:
Explanation:
If I had to choose I would live in a large planned city. Each day would be similar, and I would not have to worry about things that could happen. In a planned community, everything is perfectly designed, so everything runs smoothly. This would be perfect for me since I like order. In an unplanned city things won't always go smoothly, and things can get messed. Up or ruined. I prefer to stay on the safe side and live in a perfect planned-out city.