2. newton began his academic career in 1667. for how long was he a working scientist? was he a very productive scientist? justify your answer.

The title of Scientist was formally bestowed upon Sir Isaac Newton when he was
awarded the Merit Badge in Science at the age of 15, and he remained a Scientist
until he died, at the age of 84, on March 20, 1727, for a total duration of 69 years.

Yes, He was a productive scientist.He is one of the most important contributors to our understanding of how the universe works.

You can still be friends with each other. you don't have to date since he likes someone else. just stick to being friends for now

1) according to the law of conservation of mass ,in all chemical reactions total mass is unchanged