The answer is c had it before
Water pollution which is a major problem in urban areas have some of the causes such as dumping refuse to the water bodies, discharging of industrial wastes to the water bodies and it is a major problem to the people who rely on this water supply because they can contact disease from the water when they drink it.
<h3 /><h3>What is water pollution?</h3>
Water pollution can be described as the act of dropping any substance that can contaminate the natural state of water into the water bodies.
It should be noted that this one of the problem in the urban cities and this as a result of the discharging of waste from the industries.
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<span>Since a P-wave can travel anywhere between 1.5 and 8 kilometers per second, then it is all a matter of multiply those numbers by how many seconds there are in total in 9 minutes and 20 seconds. If that is the case, then a P-wave will travel at least 840 kilometers in the said time frame.</span>
Western and Northern Hemispheres.
Answer:
Caverns are created when moving groundwater mechanically weathers sediment and transports it elsewhere, leaving behind large empty spaces.
Explanation:
The movement of groundwater causes erosion that is responsible for the formation of caves. These caves are formed due to mechanical weathering of rocks. Mechanical weathering plays an major role in creating caverns by dissolving of limestone rock due to acidic water that reacts with limestone and removes it with the passage of time that forms caves. The normal pH water can't perform this job due to no reaction occurs with limestone.
