If an atom loses a proton, what happens?

1. its mass is lowered, and it becomes a different element.

2. its mass stays the same, and it is still the same element.

3. its mass is lowered, but it is still the same element.

4. its mass stays the same, and it becomes a different element.

When the water vapor cools it condenses select a number that represents his process on the

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize