Which ecosystem makes up approximately 70% of the earth's surface?

what do you call the formation of new ocean floor caused by movement of ocean Nick plates away from each other as magma from the mantle continuously flows between the plates

Use of the Data Booklet is relevant to this question. The approximate percentage composition of the atmosphere on four different planets is given in the table below. The density of a gas may be defined as the mass of 1 dm3 of the gas measured at s.

Which of the following actions is an example of domestic policy intervention? federal aid is distributed to flood victims in mississippi. u. s. ambassadors are instructed to spread the principles of democracy. the u. s.

Human geographers recognize the existence of three types of industry. Primary industry is extractive; secondary industry includes manufacturing and is transformative; and tertiary industry provides services to consumers or other businesses.

What continent lies completely north of the equator and east of the Prime Meriden

What is the longest to river n texas

What's the difference between an escarpment and a cliff?

Where are most the world's migrants moving to? Where are they coming from?

How do oceanographers measure the salinity of ocean water? A. by measuring the density of the water B. by measuring the depth of the water C. by measuring the conductivity of the water. D. by measuring the amount of marine life present

The sun exerts a gravitational pull on earth. why doesn't earth fall into the sun?