What is thee difference between a bioregion and a ecoregion?

What are the three aspects of culture

Volcanic rock has often been found early in the rock record but less frequently in later rock layers what does this suggest to scientists about early earth volcanic activity was more common in the past than it is today volcanic activity is the same

What happened to Afghanistan when Britain and Russia competed for influence in the region during the 1800s? Afghanistan was taken over by Muslim radicals. Afghanistan came under British control. Afghanistan came under Russian control.

Which of the following strengthened colonial rule in Africa?

Deserts caused by a rain shadow occur on the east (leeward) side of the sierra nevada range in california. why does the desert exist on the east side, but not the west side of the range

Assume that our Moon is hit by 25 million tiny meteorites every day. On average, it takes about 20 such impacts to obliterate a footprint left by an Apollo astronaut on the surface of the Moon.

In China what was the purpose of the Great Cultural Revolution?

How are renewable and nonrenewable resources alike and different

In which location is it most likely that salinity of the seawater will be the highest? A. in polar regions B. along the cost where rivers enter the ocean C. at the surface of the open ocean D. in tropical regions

Which of the following would not be a consequence of lower sea-level during the Pleistocene Epoch. a) Glaciers extended out to the continental shelf b) Continental shelves were above sea-level c) Fossil reefs on land d) Deposition of gravel, sand,