Which era does the rock from the Canadian Shield date back to

A Precambrian

B Paleozoic

C Mesozoic

D Cenozoic

What is the term for a reduced, often functionless anatomical structure that serves as evidence of an organism's evolutionary past

Between 2014 and 2015, did deaths caused by falls in the workplace increase, decrease, or stay the same?

Which of these is an example of a dependent variable? a - the movement of earth around the sun b - the change from day to night c - a change in the season d - seasonal temperature changes

how have the modern views Impacted the nation? Has it led to improved race relations? Has it led to improved curriculum? Has iyt led to more or less conflict? Is this a good thing?

The atomic mass of nitrogen is 14.007 and the atomic number is 7 rounding to the nearest whole number what is the number of neutrons in one nitrogen atom - 14 - 6 - 7 - 4

Can humans be primary, secondary, and tertiary consumers?

With respect to the earth as a system, the hydrosphere is concerned with: A) air. B) rocks. C) vegetation. D) water.

About how often does a Full Moon happen?

Development begins at birth, true or false

the group that does not recieve the expermental treatment in an experiment is the A.) control group B.) experimental group C.) data D.) varible