The geologic time scale is divided by several different spans of time. Which of the following divisions of time are all eras?

Group of answer choices

A. Paleocene, Eocene, Oligocene

B. Precambrian, Cambrian, Devonian

C. Cenozoic, Mesozoic, Paleozoic

D. Cretaceous, Jurassic, Triassic

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u. s. and mexico. the st. lawrence seaway provides an important trading route for the u. s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

If animal agriculture was eliminated, how much grain would become available for human consumption?

If a checkpoint detects damaged dna, the checkpoint may