Get a good sleep, breakfast, and dinner. Don't stay up all night playing video games the night before. Chew gum, which helps you focus.
I would say that the probable order of the cartographic events would be 1) a first attempt at a world map in the 5th and 6th centuries 2) the travels of Marco Polo 3) the Mercator projection in the mid 1500's and finally the 4) Robinson projection in 1963.
Enlightenment is when you are learning or understanding. Ignorance (the opposite) is when you have a lack of knowledge and understanding. Prejudice and superstition sprout from ignorance.
Enlightenment is freedom from ignorance.
Below are the choices:
<span>The climate cooled and many tropical areas experienced freezing temperatures for the first time.
Rainfall gradually diminished and areas that were once grassy and forested became deserts.
Volcanic activity turned much of the area into lava fields where few life-forms could survive.
Rainfall gradually increased and desert areas eventually became rain forests
The answer should be </span><span>Rainfall gradually diminished and areas that were once grassy and forested became deserts.</span>