How do scientists use relative and absolute dating and the geologic time scale to organize Earth's 4.6-billion- year-old history?

Any sound above what db can cause hearing loss in human beings

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.

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.