How can iron be 5.63% by mass but only 0.49% by volume in the crust

Which of the following describes a Mediterranean climate? a. dry winters and very hot, dry summers b. mild, rainy winters and hot, sunny summers c. very cold winters and warm summers d. heavy rain throughout the year

Which of the following problems is most likely to exist in a society with an aging population? A. fewer government workers B. decreased taxes for younger workers C. fewer citizens to support the elderly D.

Who was the first Christian emperor? A. Nero B. Theodosius C. Constantine D. Diocletian

Who are the basques?

What Is a narrow strip of land connecting two larger land masses

On a planimetric map, the ___ is used to convert between the distance on the map and the actual distance in real life.

Will climate change will result more or fewer landslides or there be about the same number as now?

When lava cools, it forms a hard rock. True or false?

The total process that turns sediment into rock is called perrifaction, lithification, or metamorphesis?

Renewable resources: A. have finite supplies that will one day be used up. B. include iron, gas, and copper. C. are all living resources. D. can be replenished over months, years, or decades.