Provide a systematic name of the following compound below: 3 ethyl 2-5- dimethyl- 4 propylheptane

Explain why scientists use shared characteristics to make cladograms.

How do you lengthen a pattern piece? (family and consumer science, sewing)

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)