Many factors have contributed to increase in life expectancy. Examples such as medical advancements in modern medicine, less wars being fought, improvement in sanitation, eating a healthy diet, a overall healthier lifestyle (for example, people don’t smoke cigarettes as much as the olden days) and easier access to education.
Geothermal activity visible on the surface,acute to extreme seismographic readings. typically on the borders of tectonics plates. (Ring of fire)
Answer: True True True True True True True
A the southwest isnt an area that is fully populated yet due to the land layout and the weather and lack of jobs
You didn't give your choices but sin 21 equals 0.358.