Explain why it is important for a scientist to be both logical and creative.

Because the way of using logic and creativity can help expand your mind through more ideas and facts. As your knowledge grows bigger.

Well think of it like this, doctors have to think creatively sometimes in order to find ways to fix their patients problems right ? well then that would also show that scientists need to be creative when thinking of ways to make new medicines, deconstruct elements and make new compounds. Their creativity along with their logical knowledge of the task at hand gives them ample opportunity to create new ways to solve their problems. How do you think most pharmaceuticals were developed?
( hope this helps (: )

Due to the amount of pressure

Because some people pollute water ans waste it