they can not go down into the Earth at all. Due to technology, we would need better technological advances.
Answer:
50
Explanation:
abc has to be 110
triangle angles add to 180
110+20=130
180-130=50
More hydrothermal resources exist in the Western regions of the United States because lack of groundwater and extended drought has reduced the number of vents.
Answer:
Mesolithic era
Explanation:
The Mesolithic era refers to the middle stage of the stone age i.e. between the Paleolithic and Neolithic. The Paleolithic refers to the old stone age and the Neolithic refers to the new stone age. During this time, the microlithic tools and other attacking weapons were made by the early humans, and also there occurred changes in their way of settlement as the climate and geography changed significantly.
The Mesolithic era started about 8000 years to 2700 years back in the past, in the northwestern part of Europe.
Thus, the Mesolithic era occurred when Europe occupied the present landscape, in terms of climate, biology, and geography.
I would say that herding and livestock would not be a major economic activity in SE Asia and that logging, farming and manufacturing are important economic activities. For example, farming produces rice and also tea in this part of the world.
