Sinkholes are formed when land collapses into cavities underground. A few causes of sinkholes are disturbance of soil (digging for example), water impoundment (dams and basins), and decline of water level (groundwater pumping and droughts).
Answer:
Given that ,
Mass of object , m=8kg
Velocity of object , v=4s
Kinetic energy of object , K=
2
1
mv
2
=
1/2×8×4^2
=64 N
Answer:
Maybe because you're feeling blue and the sky is a projection of your feelings.
Explanation:
An ecosystem involves both the biological (plants, animals, human beings) and non-biological (land, water, soil, and atmosphere) community which interacts as a system. More importantly, the living things are very dependent on the abiotic community since it cannot survive by itself. Every animal, plant and human needs the primary physiological needs of water, food and shelter provided by the abiotic system.