52 point for who solve it

What are some characteristics of a free enterprise economy?

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird