one of the worst us environmental disasters occurred in 2010 when the deepwater horizon spill 4.9 million barrels of crude oil into the gulf of Mexico. List impacts on humans as well as the environment

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.