Light, oxygen, gravity. idk about gravity, but i put it in there for cause
I think the correct answer would be mass of the shells. According to the law of conservation of mass, mass can never be created not destroyed. Therefore, mass here should be constant before the transformation and after the process. Hope this helps.
Like a wet sponge, soil already saturated from previous rainfall can't absorb much more ... thus more rainfall will become surface runoff.
The forest coverage is changing due to many reasons including deforestation and urbanization.
<h3>What is urbanization?</h3>
The demographic change from rural to urban areas, the concomitant reduction in the percentage of people living in rural areas, and the ways in which communities adapt to this change are all referred to as urbanization.
By trying to remove or fragmenting forest cover, urbanization has a direct impact on forest ecosystems.
Thus, it can be concluded that the changes in the forest coverage has occurred due to deforestation and insufficiency of land.
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Plate tectonics<span> play a significant role in the formation of volcanoes on the Earth’s surface. Volcanoes can either be formed by tectonic plates moving away or towards each other. When plates move away from each other such as at the mid-oceanic ridges, the phenomena is referred to as being a divergent plate boundary.</span>
