What are some of the consequences that could happen if the average global temperature increases by 5 Kelvin, as predicted if the carbon dioxides continue to rise at the current rate?
What will be an ideal response?
Melting of glaciers and polar ice caps, rise in sea level of up to a meter, longer and more extreme periods of severe weather, crop failures, expansion of deserts in equatorial regions and increase numbers of mosquitoes and other pests.
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You have a piece of clay and a rubber ball, both of the same mass. You want to close a door on the other side of the room by throwing either the clay or the rubber ball at the door. Assume that both would be thrown with the same speed and would impact the door at the same point on the door. With which would you be more likely to cause the door to close further?
1.the rubber ball 2.the clay ball 3.Both would cause the door to close the same distance. 4.It is impossible to tell.
Which of the following elements is NOT produced by neutron star mergers?
A. Copper B. Lead C. Silver D. Gold E. Uranium
During summer, the northern polar cap of Mars is made of
A) carbon dioxide ice overlaying water ice B) a layer of carbon dioxide ice C) a layer of water ice D) water ice overlaying carbon dioxide ice
A flashlight bulb typically has a small metallic button at one end, and this button is surrounded by ceramic material. The chief purpose of the ceramic material is to
A. provide a conducting path to the filament. B. insulate the metal button from the other contact point. C. shut the filament off if the current gets too high. D. provide extra mass at the bottom of the bulb.