In more developed countries a higher percentage of workers are engaged in- A-primary activities
B-secondary activities
C-quaternary activities
D-tertiary activities

The length of the path between two points is what

Acivilization exists for several hundred yeaars, developing its own language. such a civilization probably has been: a. farming corn b. suffering from a lack of contact with the outside world. c. isolated by mountains or some other physical barriers. d. starving from lack of trade.

Why is canada's east coast a great fishing area? will name brainliest and 30