According to Wegener, if the continents moved in the past, what did Earth look like during Pangaea? a very small landmass where only two continents were connected
a giant landmass where only two continents were connected
a very small landmass where all the continents were connected
a giant landmass where all the continents were connected

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next

Calculate the number of grams of sodium in 3.00 g of each sodium-containing food additive.