2. Before life evolved adaptations for living on the land, a major change in one of Earth's systems took place. Which of the following was a change that made it possible for life as we know it to live on the land?
A addition of carbon to ocean water
B. addition of sodium to ocean water
C. addition of oxygen to the atmosphere
D. addition of ammonia to the atmosphere

C. Adding Oxygen to the atmosphere

Explanation:

Most living things need oxygen (Including humans) to survive

tropical storm katrina, and it made landfall between miami and fort lauder-dale, florida, as a category 1 hurricane (a storm that, on the saffir-simpson scale, exhibits winds in the range of 74–95 miles per hour [119–154 km per hour]). sustained winds of 70 miles per hour (115 km per hour) lashed the florida peninsula, and rainfall totals of 5 inches (13 cm) were reported in some areas. the storm spent less than eight hours over land. it quickly intensified when it reached the warm waters of the gulf of mexico.

this should answer you're question

woman's reproductive rights, gay rights, divorce, basically anything with people who aren't "holy"

explanation: