Answer:
Explanation:
The most important motive for early European exploration across the Atlantic was the dream of enormous riches. Initially, explorers and merchants hoped to find a sea route across the Atlantic to the thriving markets of Asia. But Columbus and his fellow Europeans greatly miscalculated the circumference of the earth.
Answer:
B
Explanation:
only 3% of Earth's water is usable as a freshwater resources
The answer is C “volcanic activity was more common in the past than it is today
Answer:
Explanation:
thickness of aerosol layer is 2.5 km
zenith angle is 40 degree
we know that
where
is extinction coefficient
extiction cross section
N = Concentration
transimiitance
The first evidence was presented by Wegner when he hypothesized that all the continents once formed a single land mass called the Pangea before drifting apart. So, to fill in the blank, it would be that '<em /><em>neighboring continents [are] like jigsaw puzzle pieces</em>'