How are coal and oil similar? both coal and oil are gases. both coal and oil are renewable resources. both coal and oil must be mined from underground. both coal and oil are used to make natural gas.

Your ecological footprint includes which of the following: your waste production your energy consumption your eating habits all of the above

What class of minerals do gold, silver, and copper belong?

Which european country has the longest coastline?

What force is responsible for the moon orbiting earth gravitational force electostatic force magnetic force nuclear

The warming effects of greenhouse gases have been unsuccessfully modeled by placing air, pure carbon dioxide, methane, and nitrous oxide in sealed jars and measuring temperature change within the jars when exposed to a light source.

If sun lost all its energy what would happen to earth and its inhabitants

A bag contains 5 red marbles, 3 blue marbles, 7 yellow marbles, and 2 green marbles. Which ratio can be used to compare the yellow marbles to the blue marbles? A) 3 11 B) 3 7 C) 7 11 D) 7 3

Central Africa is inhabited mostly by Arabs. True or False

What is the main role of glaciers in the water cycle? a. Filter Salt Water b. Store Fresh Water c. Move Liquid Water

Orthodox christianity is predominantly in what part of Europe