Answer: the water will be eroded
Explanation: as the slope of the land becomes steeper, the rate of run-off increases and the water have a better chance or being eroded to a flat land where it can mix with the soil.
I am pretty sure the answer is population.
Answer: sinking or rising
Explanation:
This band of bright clouds in the equatorial region is an indication of sinking or rising air. The band generally marks the locations where surface winds in the Northern and Southern Hemispheres blowing towards the equator meet. Called the ITCZ (Intertropical Convergence Zone), the band of cloudiness is characterized by the bright clouds indicating intense thunderstorm activity and by high rainfall rates. It roughly parallels the equator around the globe.