Choose the sentence that best matches the context of the word reticent as it is used in the following example.

we could talk about anything for hours. however, the moment i brought up dating, he was extremely reticent about his personal life.

a. he remained indifferent toward others.
b. he was usually a very quiet person.
c. he was an unsympathetic person.
d. he had nothing interesting to say.
e. he wouldn't readily reveal his feelings.

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.