After British explorers mapped the west and east coast of Canada, who filled in the middle?

Less developed nations have low literacy rates. true or false

Ineed to draw a simple map of oil where can be found on the map.

15 points need quick 1. looking at your graph and the geologic time scale during what period did this rock form? what is the age span of the rock, in millions of years? 2. this rock sample is limestone and shale. with what you know about rock formation, what type of environment did these organisms live in? 3. if some of these fossil samples were found in a rock also containing leaf fossils, could you use radiocarbon dating to determine the age of this rock? explain.