Please help me with all of these questions -physics quiz
Will give brainliest

Which would not reduce the amount of green house gasses in the air

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

If a rock is thrown upward on the planet mars with a velocity of 12 m/s, its height (in meters) after t seconds is given by h = 12t − 1.86t2. (a) find the velocity of the rock after two seconds. m/s (b) find the velocity of the rock when t = a. 12−3.72a m/s (c) when will the rock hit the surface? (round your answer to one decimal place.) t = s (d) with what velocity will the rock hit the surface? m/s