Answer:
Easier to manufacture
Explanation:
Because there are no angles for alignment, the round shape makes these heavy covers easier to put back on once they're taken off. Round covers are also easier to manufacture. But the main reason manhole covers are round is so they won't accidentally fall into the manhole itself.
Answer: False
Explanation:
Plucking is the process of erosion which happens when there's glaciation.
During the movement of ice and glaciers, the surrounding rock is scraped which brings about erosion.
Plucking occurs due to the fact that the stones and rocks are frozen which results in a jagged landscape which brings about erosion.
It should be noted that the rocks dragged by glaciers fo not produce grooves and scratches in bedrock as stated in the question. Therefore the correct option is False.
After conquering Greece, Philip II’s dream was to conquer the Persian empire
Answer:
United States experienced oIl scarcity
Explanation:
Approximately, Around 35% of United States' oil consumption is imported by the countries in the middles East.
When United States and the middles engaged in conflict, the middle east stop all form of economic transaction with United States. This included the oil. As a result, many producers in United States unable to continue their daily operation since they did not have proper amount of energy source.