It’s c I believe because it says 209 years to complete an orbit so hint yourself ?.....
Answer: You multiply and divide when rounding division significant figures
Explanation: Both multiplying and dividing significant figures have the same rule. That rule is, the FINAL ANSWER of a multiplication and division problem should be rounded to the number of significant figures that is the least amount of any figures used in the multiplication or division. Let us demonstrate below.
Sorry the answer might be a little late but it would be <span>Simple squamous</span>
Answer: Between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.