What sort of productions do citys have, like fruit, fabric, and spice & herb distributors (more like countries, I guess)?

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

The us and canadian governments are doing all of the following to combat environmental problems except a. encouraging the use of public transportation b. enacting clean water policies c. requiring emissions testing d. limiting animal populations in some regions

Which of the following scenarios is an example of a trade sanction