Based on the image, why does the lower-level aquifer have an artesian well? A. because the aquifer is found in a permeable layer
B. because it is sandwiched between two impermeable layers
C. because it is lower in the ground
D. because it has much more water than the others

Draw two cyclic constitutional isomers of cis-1

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

Select the correct answer from each drop-down menu. to make a table of the elements, dmitri mendeleev sorted the elements according to their . he then split the list of elements into several columns so that elements beside each other had similar .