Which human-induced change results in increased competition caused by an initial increase in the number of organisms in a habitat?

A. non-sustainable harvesting

B. nonnative species introduction

C. ozone layer depletion

D. mass extinction

A presidential candidate must live in the united states for at least 9 years before running for president. true of false

In this atmospheric layer, meteors burn up true or false

If you started at the prime meridian and traveled east one fourth of the way around earth, what line of longitude would you reach?

What type of process is involved when the wind wears away a rock surface? a. Chemical weathering b. Erosion c. Physical weathering d. Mountain building

Mass movement A. happens only when the slope of a hill gets steeper than the angle of repose. B. can't happen underwater because the buoyancy force of water is too great. C. is more likely to happen under dry conditions than under wet conditions. D.

How many offers were made ro the palestinians to create their own átate

Where is mt. kilimanjaro?

The primary purpose of Bretton woods conference was to

What was the World Trade Organization decision in 2006 related to genetically modified crops? Individual countries had the right to determine if they were going to allow genetically modified crops to come into their country.

12 out of 50 seventh graders said they would be willing to pay between $21-$30 dollars for a class trip. If there are 350 students in seventh grade, about how many would go oh the trip if it cost $30?