Notice that a sudden change occurred at the start of day 4 in the graph below. what change in greenhouse gases would cause this change? how would you expect temperatures to change as a result of this?

greenhouse gases increased and temperatures will increase.
greenhouse gases decreased and temperatures will increase.
greenhouse gases increased and temperatures will decrease.
greenhouse gases decreased and temperatures will decrease

Amarble, a bowling ball, a basketball, and a baseball are rolling across the floor at 10 m/s. which one has the greatest kinetic energy? the marble the bowling ball the basketball the baseball

Which of the following are appropriate acceleration units?

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?