How does the fossil record provide evidence of common ancestry? Age and structure of fossils can suggest that multiple species were descended from a common ancestor.

The fossils found in the deepest levels of rock depict the youngest organisms of that species.

Common ancestry can be proven by measuring the decay of the carbon 14 isotope in organic matter.

Descent from a common ancestor is suggested by the comparison of rock samples found with fossils.

Which of the following substances is not involved in the chemical reaction that pro- duces smog? a. sunlight b. particulate matter c. automotive exhaust d. ozone

Which strategy is an example of how companies may upgrade themselves to meet changing customer preferences? a.doing door-to-door sellingb.using billboards to advertise the productsc. making online shopping services availabled.giving discounts on products

Ateam from new york presbyterian hospital is conducting a study about a recent increase in cases involving both excess sweating and kidney stones. what would the team need before it draws a conclusion about the cases? medications that are specifically designed to treat the sickness machines that are built to process blood and reduce symptoms until patients are healthy again data that profile the various patients who report these symptoms proof that the excess sweating is related to the excessive kidney stones