By explaining problems and giving solutions! this is the best fit because the other two might make sense at a first glance, but only explaining problems and solutions would be an effective way to teach people how to set up an aquarium by giving them examples of what to do and what not to do whereas the others are just him talking about his aquarium.
70% as a decimal is 0.70
To convert from a percentage to a decimal, you move the decimal point twice to the left
Hope this helps
Hi there.
The answers are : #16 B
#17 A
#18 D
To be honest, #16 is kinda confused me
The real meaning of euphemism friendly fire is term in military bases means accidentally attacking your own military unit hope this helps :)
