concentration of greenhouse gasses is higher.Click on “Evidence” at the top of the page and scroll down to “Sea Level Rise”11. Global sea level rose about ________ in the last century.Scroll down to “Warming Oceans”. Expand this section and click on “Video: Oceans of Climate change”. Watch the video and answer the following questions:12. Man-produced greenhouse gasses cause extra ________ to be trapped on the Earth. This heat, which would have normally radiated out, is sticking around and ________ the planet.13. How much of the heat from global warming is going into the ocean? 14. The ocean water is able to store heat, contributing to the warming of the Earth. This abilityof water to store heat is called its _________________.Go back up to the top of the page and click on “Consensus”15. ______ of actively publishing climate scientists agree that climate change over the past century is very likely due to human activities.16. How many scientific associations have released statements on human activities as a cause for climate change? Scroll back up to the top of the page and click on “Vital Signs”. Click on “Carbon Dioxide”. Look at the graph detailing the indirect measurements taken using ice cores that trap carbon dioxide that can be measured. 17. What is the highest historical CO2 level? What is the current CO2 level? Look at the graph with direct measurements of CO2 levels. 18. How much have CO2 levels increased since January of 2005? If you look at the indirect measurement graph, you’ll notice that, historically, it took about 10,000 years for such a dramatic change in CO2 levels to occur!