Many cultures have a long history of discrimination against African Americans.
Answer: Yes the answer is true. How ever, you can add a few points like:
Explanation: If nuclear bombs were blown at the end of mars ploes, it could change its weather.(Elon Musk). It is also observed that there is higher oxygen levels in the northern parts of mars.(information from Uae mars probe). So yes you are right but there are /can be a few similarities between earth and mars.
Answer: 
Explanation:
Using Weins displacement law:
where
= wavelength = 
b = constant =
T = Temperature in Kelvin = ?
Putting the values we get:

Thus the temperature of the blackbody will be 
Answer:
While this is mostly opinion, I would prefer option 2. With its lighter cyan colors and beautiful mountain scenery along with a serene beach tucked into a small cove, it is definitely the one I would use above any of the others.