which scientist described an atom made of a solid positively charged substance with electrons dispersed throughout it?

Why do consumers feel warmer after eating a meal

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass