What are the advantages and disadvantages for methods used to reduce the impact of human activity?

  advantages

1.Less flooding

  2.Less erosion

  3.Return of natural ecosystems

disadvantages

1. People go hungry

2.   People don't get the water they want

3. People don't get the land they want for homes

when earth is in rotational motion around the sun,it displaces from its place.

when a ball is placed on an inclined surface it does both the rotational and circular motion.

explanation:

pe = weightxheight = 2000x1000=2,000,000joules