Of the ozone depleting gases restricted by the Montreal Protocol, NOAA measurements show that atmospheric concentrations of nearly all these gases were decreasing in the atmosphere by 2018. The graph depicts data collected in the stratosphere over
Antarctica. Which ozone depleting gas has almost been eliminated from the stratosphere?

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000

How does the fossil record provide evidence that the modern whale evolved from the anthracotheres? a) the modern whale looks like their ancestor the anthracotheres. b) the modern whale has all of the same structures as their ancestor. c) there is not enough evidence to suggest the the modern whale evolved from the anthracotheres. d) the anthracotheres has a structure that is still present in the modern whale, but is no longer of use to the modern whale.