Which of the following statements is true concerning luca? (1) luca was a cell. (2) all life on earth
evolved from luca. (3) luca probably existed probably around 4.5 billion years ago.
a. 1 only
b. 2 and 2
c. 1 and 2
d. 1, 2, and 3

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.

the correct answer is option d.

an appositive is a noun, noun phrase or noun clause which follows another noun or noun phrase in order to describe it or name it another way. they are usually used between commas, brackets or dashes.

the example sentence with the correct use of commas is the following:

her uncle, the man over there in the red shirt, owns the hardware store in town.