The water on the earth today has been sustaining life for millions of years.
a. true
b. false

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.

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is

What are the three different shapes, or structures, of carbon-based molecules