Sound wave is a pressure caused by the vibration of something in a medium that transfers anergy, like air.
Divergent boundaries move oceanic plates (plates found in the ocean) away from each other, making magma seep in to fill those cracks, thus spreading the sea floor.
The correct answer is letter C. Throughout the history of America, land grants have not been very common. As this was a practice that governments did not approve of because of the ancestral settlers that inhabited the areas first. This was a long debate that have spun through the ages and many conflicts arose from this problem.
Answer: Megacities can influence environment and health concerns.
Explanation:
1. The megacities can pollute the environment by causing air, water, and soil pollution due to rapid industrialization in these cities leaking air pollution and chemical discharge in water and soil contaminating them. This way the environment is affected also the human and animals are prone to respiratory and digestive problems and diseases.
2. The megacities are source of noise pollution from different sources producing undesirable sound like vehicle honking, live concerts, and machines from industry and others these can affect the hearing ability of human and animals also can be responsible for hypertension, cardiac arrest, and stress in humans.
3. The megacities are affected by overpopulation which can affect the environment as resources like water, air, minerals will deplete from these cities and this can affect the survivor of human kind who are not able to meet the resource demand.
