6. Read the following sentence: "Around a quarter of all marine species live in coral reefs, and they play an important role in supporting diversity in the ocean."
What does the word diversity mean?
A. many different kinds of things
B. a serious threat to ocean life
C. a hard outer layer than protects coral
D. something that can be seen from outer space

answer

explanation

the area of a circle is calculated using the formula

or

we can use any of the above formulae to calculate the required. preferably, let us use the latter since the diameter is

we substitute the diameter into the formula to get:

this is the exact value for the area of the circle.

the correct answer is a

sure i'm up for it

step-by-step explanation:

x coordinate is none

step-by-step explanation: