Which of the following best describes the possible impact of tobacco use on families?
a. tobacco use can lead to financial difficulties.
b. tobacco use can cause increased incidence of illness.
c. tobacco use can lead to increased family conflict.
d. all of the above

What elements have 2 electrons inthe 4s sublevel

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space