Describe the specific dna changes that produce the abnormal cystic fibrosis protein

Did you know that a blue wales tongue weighs more than an elephant?

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.

Which measure of an earthquake depends on how close you are to the focus?