"People must take action now to protect coral reefs by reducing pollution and emissions of noxious gases." An opinion is a statement that expresses a judgement or viewpoint. All of the other statements express facts, they can be proven to be true.
I think its the rising action of the plot.
An adverb phrase consists of words that function as an adverb: it modifies a verb, adjective and an adverb expressing a relation to time, place, manner, cause, degree or circumstance. In the given sentence above, the adverb phrase used is option A. In colonial days. This is an adverb phrase of time.
<u>Sara can make two bows.</u> To get this answer, you take 10 1/2 feet and convert it to yards. 3 feet are 1 yard, or 1 feet is 0.333 yards. Consequently, 10 1/2 or 10.5 feet are 3.5 yards (10.5 x 0.333) and Sara has 3.5 yards of ribbon. If each bow requires 1 3/4 or 1.75 yards, Sara can make two bows (3.5 / 1.75).