It's about the study of the earth. Like mapping, or just looking at different biomes or landscapes.
Answer:
is when it contributes towards the contamination and destruction of natural habitats and the wildlife that live in those habitats by exposing them to harmful chemicals that would otherwise not be present over the natural course of things
75 % of the drive is 0.75 x 932.4 miles which is 699.3 miles which if divided by two equals about 350 miles per day will allow her to reach her objective so the result is obtained by just doing simple math according to the total distance and the 75% and dividing the result by 2 days.