How has the Chesapeake Bay watershed changed over time?

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

Look at the bean data from days 4–6. use these data to explain how natural selection changed the number of dark red walking beans over time. writing part

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false