Take a look at group 7a on the periodic table (halogens). which of the following statements is true regarding fluorine and iodine? question 9 options: f is a gas and i is a solid at room temperature f is a liquid and i is a gas at room temperature both are gases at room temperature both are solids at room temperature

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 can one make a supersaturated solution? (apex)

Which of these questions is scientific? what is the age of earth? should oil drilling be banned? should medicines be tested on animals? what is the most interesting subject to study?