An second has one whole step and one half step

Write a 150word essay describing the effect of people's activities on the environment in the region.

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.

Based on what you know about speed of light and sound, which come/comes first in a thunderstorm