Help i have a unit test, which best explains a primary reason for the inability of life to exist in earths early atmosphere 1 there is a insufficient energy from material collisions to change their density
2 high temperatures during precambrian time caused water evaporation
3 volcanic eruption and comet collisions added different gasses to the atmosphere
4 available oxygen was used to help create an ozone layer within earths atmosphere

Which is a possible result of higher air temperatures caused by global warming? a. increase in sea level b. freezing of polar ice caps c. rapid evaporation of water in the soil d. flooding of low-lying coastal areas

What are seismic dampers and why are they important?

Data courtesy of the un development programme 2006-2008 and world bank 2009 the chart above compares measures of development using the hdi and gdp. why might turkey rank lower in the hdi indicator even though it has a high gdp? a. turkey has a lower gdp than comparable countries in the hdi ranking. b. turkey must increase its hdi to have a higher gdp ranking. c. turkey is only compared to other european countries in gdp, not to the world, as it is in the hdi. d. turkey may struggle to provide adequate education or health care, or it may have a lower life expectancy.