In no more than two typed pages, describe the role, either for good or for bad, of the following in achieving energy sustainability:
wind, solar, hydro, and wave-powered electricity,
cars that run on hydrogen fuel,
electric cars,
improvements in residential energy efficiency, and
government policies that mandate new technologies to improve motor fuel efficiency

Mass (kg) force (n) 5 25 10 50 15 75 20 100 a student was trying to find the relationship between mass and force. he placed four different masses on a table and pulled them using a spring scale. the table shows the different masses used in the experiment and the force required to pull each mass. the student concluded that more force was required to pull heavier objects. what comment would you make regarding his conclusion? a) no clear relation can be observed between mass and force from the data. b) there is a direct proportion between the mass and force listed in the table. c) gravity should have been taken into account while performing the experiment. d) there is an inverse proportion between the mass and force listed in the table.

Slab pull” is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader