Scientists publish a revised list of dangerous greenhouse gases. Which statements describe the importance of this information? Check all that apply. It confirms the need for oil fracking to produce energy. It determines the connection this information has to glacier melting. It assesses how many coal power plants to add in a community. It supports laws that protect the public from environmental hazards. It leads to new jobs that search for innovative ways to control emissions.

The heliocentric and the geocentric models of the solar system included these central principles

Click the game tab at the bottom of the simulation and select level 1. (there is no seesaw balance for this part of the activity.) balance the first equation, and click check to see if you got it right. if you can’t balance it in the first try, you can try again. work through the five equations for level 1. click continue to go on to level 2, and later level 3. each level is more difficult than the one before. keep trying until all the equations are balanced. in one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?