Answer:
Transport of sediments causes them to become rounder as their irregular edges are removed both by abrasion and corrosion. Beach sand becomes highly rounded due to its endless rolling and bouncing in the surf.
Answer:
140 years is average duration of an earthquake.
Explanation:
- The Hayward fault is a geologic fault that is capable of massive destruction and is 119 km long fault western base of hills of San Francisco and is parallel to the San Andreas fault. The occurrence of an earthquake of 6.8 magnitudes in 1868 was biggest earthquake in California history.
- Recently various geologists have taken time interval of the past five large earthquakes and based on the past earthquakes data the interval of 140 years it will take to the formation of a large earthquake.
<span>Most islands within Oceania have tropical humid climate.Most of the islands will have tropical climate because the monsoon winds will change direction according to the seasons .Then it is also located in eastern and western hemispheres.</span>
C) The number of Bears with decrease.
The contaminated fish with cause the bears to be contaminated and die.
