According to NASA the only one of these that actually seems to be a real type of galaxy would be C. Barred Spiral Galaxy. I hope this helps :)
By seeing how long or short the days are. and where sun is located
Answer:
Global Warming
Explanation:
It's the direct and indirect societal and environmental modifications caused by man in surroundings, mostly compacted by climatic changes the upper atmosphere and the depletion of basic life-supporting resources, global warming that creates huge changes in sea levels and which is said to impact the precipitation patterns around the world. Seasonal reverse in winds and the shifting of climatic regions further away from the center. The impact of extreme weather patterns on a large scale such as the heat waves and cold waves that cause large scale migration of human settlements. Rising regional imbalances from coastal areas to mountainous terrains. Rising temperature from 1 to 3 degrees increase in mean global temperature from 2007 to 2100 leading to drought and depletion of agricultural output. Increasing oceanic salinity and oceanic acidification.
The answer is:
C.) Monoculture