Thomas wants to measure the temperature change that occurs when sodium hydroxide is dissolved in water which is the best tool

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

There are main groups in the modern periodic table of elements

How many moles of al3+ ions are in 1.25 moles of al2o3