Rupert's backyard is 10 m by 5 m. The area of the yard is:
50 m
50 m2
15 m
15 m2

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?

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)

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?