Which of the following explains how one of the postulates in John Dalton's atomic theory later became robust knowledge? (5 points) O Some scientists found that some atoms of a particular element have different number of neutrons.
O Various scientists found that atoms combine in simple whole number ratios to form compounds.
O Some scientists found that atoms consist of subatomic particles with varying mass and charge.
O Various scientists found that sometimes a fraction of an atom can take part in a chemical reaction.

Identify a specific example for each type of technology

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

How does concentration affect reaction rate