Answer:
30 CM one because the light gathering power will be better
Explanation:
Based on the information provided within the question it can be said that in this scenario the best option that you can choose from would be the 30 CM one because the light gathering power will be better on that one as opposed to the 20cm one. In telescopes the larger the lens, the clearer the image will be as it allows more light to enter and cause the image to be sharper.
Look it up online it should tell you
Answer:
Two major factors laid the foundations of British rule and the eventual establishment of a colony on the Gold Coast: British reaction to the Asante wars and the resulting instability and disruption of trade, and Britain's increasing preoccupation with the suppression and elimination of the slave trade.