What is the name of the large pore through which filtered water leaves the body of the sponge?

Which best describes how johannes kepler developed his laws of planetary motion

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)