Which of these is a statement of opinion?
1 point

a.

the marine mammal center offers visitors a chance to take classes and to view animals.

b.

the marine mammal center has surgeons on staff to repair broken flippers on sea lions.

c.

scientists have recently developed impressive methods of sick sea lions.

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.