Answer:
The elements are used because the half lives can denote when it was trapped in the rock.
Explanation:
The half lives of different elements can help to determine when the fossil was created and without it, it would be much harder to determine the ages of fossils.
<span>Garbage patches are more likely to form in the center of gyres, where there are currents pushing stuff toward the center but none flowing outward.</span>
Answer:
A. Karst topography
Explanation:
Karst topography are characterised by dissolution of limestone and other carbonate rocks.
<span>b. competing political parties. </span>
