Will give Brainliest! Can you answer fast?!? According to Dalton's atomic theory, which of the following best describes an atom?

Can be destroyed
Present in all matter
Composed of elements
Does not contain particles

An observation that requires measurement is called quantitative observable or qualitative

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next