Anyone become my big sister please myself Aditya Sharma age 16 standard 11 arts

only answer become my big sister and please don't put irrelevant ans in my question otherwise your answer is reported

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite

Does water only take one path through the water cycle? (15 points)

India's population is made up of percent hindus.