I think it is to burn animals and worship there spirit?
Answer:
Option c
Explanation:
Regional metamorphisim occurs as a result of tectonic activity and is characterized with low temp and high pressure conditions over a large area while contact metamorphism occurs intrudes existing rocks.
<span>The correct answer is D, filtration of pollutants, which will filter out the pollutants from the air, and will not impact the aqautic life system. Waste products in water causes death of aquatic organisms, so as the disruption of water flow, and sedimentation increase, which causes water clogging. </span>
