1. How much is the increase in temperature from 1880 to 2010? 2. What happened to the amount of carbon dioxide from 1880 to 2010?
3. What is the relationship between the amount of carbon dioxide and global temperature?
4. When was temperature at its highest and at its lowest?

Please help neep asap.

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

I'm thinking it's 2 you are asked to explain the earth's magnetic field. which is the best reply? 1. the earth's magnetic south is similar to the north pole of a magnet. 2. the earth's core has a strong magnetic charge similar to the south pole of a magnet. 3. the earth's geomagnetic south is similar to the south pole of a magnet. 4. the earth's magnetic charge is not centered at either pole; it varies based on location.