Solution to solve this problem , let
p1- students who saw the tree tourist spots
p2-those who visited coron only
p3-those who saw tubbataha reef olny
p4-those who joined El Nido trip only
p5-those who visited coron and tubbataha reef only
p6-those who joined the tubbataha reef and El Nido trip only
p7-those who saw coron and El Nido only
p8-those who did not see any of the tree tourist spots

The last few miles of the marathon are the most difficult for heather, her hair plastered to her head, sweat clinging to her arms, and her legs already feeling as if they had nothing left, just dead weight. after grabbing a cup of ice water, she feels the ice cubes smash against her nose as she gulps some cool refreshment and keeps on running. in these last few miles, the breeze kicks up and she finally feels some coolness against her skin. drips of sweat, once clinging to her forehead, now spill down, and heather feels more pain as the sweat flows into her eyes.which of the following is the most likely reason why the ice struck heather’s nose when she took a drink? a) water can function as a solvent. b) water can store large amounts of heat. c) water can moderate temperatures through evaporative cooling. d) the density of water decreases when it freezes. e) water has a cohesive nature.sweat remained on heather’s forehead and arms because of the a) high salt content of sweat b) cohesive nature of water c) ability of water to moderate heat d) high evaporative cooling effect of water e) ability of water to act as a solvent

If an atom has 12 protons and 13 neutrons

What is the amount of energy for a photon that has a 125 cm wavelength