Hi there,
i believe that the answer to question is Unique
and the answer to question 2 is A
hope these are correct :)
Have a great day
??? please explain further
Answer:
The answer is C) sound waves travel more slowly in the air than light waves do.
Explanation:
Sound travels about 750 mph in the air, and light travels about 180,000 miles per SECOND in the air.
The surface area in physic refers to the total amount of space or area that is covered by the surface of an object or matter.
<h3>What are examples of Surface Areas?</h3>
The surface area of a Prism for instance is given as:
(2 × Base Area) + (Base perimeter × height);
While the surface area of a Cube is :
6 x A² where a is the length of each side.
Learn more about Surface Area at:
brainly.com/question/1090412