Small or even large mountainous areas that have had long droughts or who have had many wildfires are prone to mudslides because many plants are destroyed during those processes. Mudslides are when large amounts of water accumulate rapidly in the soil in mountainous areas. The soil becomes over saturated with water and gravity causes the water-soaked soil to “run down” the mountain in a river like behavior. Without plants and their root systems to hold the soil in place, the soil gets washed away during rail storms. Which natural process causes these mudslides and washes away the soil?

the movement of aircraft through clouds can even cause lightning strikes. a single lightning event is a "flash", which is a complex, multi-stage explosively ejected.

explanation:

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1. for the first question, we must find the mass of the anhydrous salt, mgso₄. the molar mass for mgso₄·7h₂o is 246.47 g/mol, while that of mgso₄ is 120.37 g/mol.7.834 g mgso₄·7h₂o * 1 mol mgso₄·7h₂o/246.47 g * 1 mol mgso₄/1 mol mgso₄·7h₂o * 20.37 g mgso₄/mol = 0.647 g mgso₄

2. mass of water = mass of sample - mass of anhydrous salemass of water = 7.834 - 0.647 = 7.19 gpercent water in hydrate = 7.19/7.834 * 100 = 91.74%