The geographic region in pink and marked with the number 7 can be described as A. having many small mountains, thick forests, and lots of animal life.
B. being covered in grasslands with good soils for agriculture.
C. having rugged mountains as high as 10,000 feet in elevation.
D. mostly tundra in the north and forests and farms in the south.

Argon, carbon-14, and carbon-12

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!

Hello there! i assume it is option e.  without carbon-14, it will be an impossible task to estimate the age of the fossil.hope this you! good luck : )  - hannah  ❤