You got my heart and that's dangerous is there any cute boys on here if so hi

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

You will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. (refer to the walk-through video to locate the online lab within the online textbook).

Could we see a galaxy that is 20 billion light-years away?