Can i please get help on these questionsTIMED

Why are people not able to scuba dive in the deep part of the ocean

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83