1. Galaxies seem to be moving away from us which can support Big Bang Theory.
2. The abundance of Helium and Hydrodgen also support the Big Bang theory!
Personlly I do not believe in the big bang theory but if you need more reasons please comment! :-)
Yes yes yes yes yes yes yes.
A. The rate of photosynthesis must be greater than the rate of respiration
If X is another angle, keep in mind that when the figure is a triangle the sum of the angles is 180º (angle1+angle2+angle3=180º) ALWAYS!!
Answer:
Correct answer is The US had a capitalist system, and the USSR had a communist system.
Explanation:
First option is not correct as democracy is a political, not economical system.
Second option is not correct, as United States fought against Socialism and Communism.
Third option is correct because Soviet Union had communist system, which included expropriation of land, while States developed Capitalism.
Last option is also not correct, due to facts mentioned before.