Need the answer to the first part of the question

Click the item in the left column. use the plus sign to move it up or the minus sign to move it down until it matches the correct entry in the right column. lock your answer in place by clicking the square beside the item. (a checkmark means it is locked.) amazon basin a atacama desert b andes mountains c lake titicaca d peru e patagonia f brazil g chile h suriname

Why does a tidal bulge occurs on opposote sides of earth

Equilateral triangle pbj is inscribed in a circle as shown. determine the measure of arc pjb.