Which example describes biotic factors interacting with the environment? sunlight shining through a window
oxygen circulating in the atmosphere
Orain forming puddles on the sidewalk
butterflies resting on the flower of a plant

explanation:

a fuel engine ( known as a gasoline engine in american english )is an internal combustion engine with spark ignition, designed to run on petrol (gasoline) and similar volatile fuels.

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

hope this !