Which of these is NOT an example of flood control? Group of answer choices

Building your house next to a river

Building a dam

Having levees in the ocean

Creating storm drains on a street

What can humans do to help stop beach erosion?
Group of answer choices

Beach restoration by pumping sand from the ocean

Stop visiting the beach

Rinse off when leaving the beach

Not allow animals to live on the beach

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.