Question

What is a strong heat trapping gas that is released by cows, rotting, burps and permafrost melt? A methane B. CO2 ос. Oxygen OD.CFCS QUESTION 2 Consider the truthfulness of the statement, "Carbon Dioxide levels have never been this high before." A. True, but there is no reason to worry B. True, and the effects are unguessable ос Palse, Co2 levels were higher millions of years ago and the world was ice free D. False, CO2 levels were higher millions of years ago but no climate change occurred E. False, CO2 levels are actually quite low now and humans are not causing them to change QUESTION 3 Increasing atmospheric CO2 levels can lead to numerous issues for the ocean. Which of the following is not an effect on our ocean? A ocean acidification decreasing wave action in the arctic Ocean C.coral bleaching and die-off D. increasing ocean temperature E. changed times of phytoplankton bloom
ques

solve for 1(hidden number) 2 and 3

Answer 1

First Question

A. Methane.

Cattle and other farm animals are major sources of methane, a greenhouse gas many times more potent than carbon dioxide as a heat-trapping gas. Methane is released when they belch, pass gas and make manure.

Second Question

B. True, and the effect are unguessable.

By drilling for ice cores and analyzing the air bubbles, scientists have found that, at no point during at least the past 800,000 years have atmospheric CO2 levels been as high as they are now. That means that in the entire history of human civilization, CO2 levels have never been this high.

Third Question

B. Decreasing wave action in the arctic ocean.

Scientists recently measured during an Arctic storm waves just under 5 meters (16 feet) in height on the Beaufort Sea, an area that in the past has seen little wave activity because of ice cover. But in today’s Arctic less ice means the ocean is subject to winds which average 20 kilometers (12 miles) per hour throughout much of the year with average wind speed highest in the summer and lowest in winter. Wind over open water, even at 20 kilometers per hour will create waves. And storms will make those waves much bigger.