Answer:
"Some Simple Water Science" differs from "Water For The World" because the passage describes the desalination process, while the other one discusses how desalination can help solve the water crisis.
"Water For The World" says that water is important because it is needed for survival, and it is also needed to grow plants and crops. Both sources touch on how fresh water is becoming more and more limited for the growing population.
Ok, so for starters, "hospitality" means, in a nutshell, caring for something or someone. Extreme hospitality is caring for someone more than is needed. For example, if you are staying at my house, hospitality would be cooking you dinner and serving it, extreme hospitality would be asking what you want to eat, or doing your laundry or something.
There IS a big supermarket
There ARE two teachers in the room
There IS a hospital in the centre
There IS a good on the room (Este no lo entiendo)
Them sodas to "cool them off." Cherry throws her soda into Dally's face and the situation is tense until Johnny steps in to defend her, which is surprising given that Johnny worships Dally and considers him his hero. Fortunately, Johnny is the gangs' pet, so Dally just stalks off without confrontation. Two-Bit joins Ponyboy and Johnny, and he and Marcia hit it off.
