True because the surface of the water table may vary due to seasonal change
The box stopped moving because the force stopped pushing . The average speed of the box would be 5 meters per second
I'd think it's probably the recycling of newspapers, as trees are making of paper can be a reason for deforestation. With recycling of newspapers, fewer trees need to be cut down.
Answer:
In an ecosystem, energy enters in the form of solar energy or light energy from sun. Solar energy is transformed into various other types of energies like kinetic energy, chemical energy, potential energy, etc; but it eventually leaves the ecosystem in the form of heat energy.