Fill in the blanks (y7) help please !! 1. earth was formed on the clock
options : midnight - morning - noon

2. humans first appeared in ___
options : east africa - europe - asia

3.as humans went towards there was a big problem
options : south - north - east

All of the following statements about the biosphere are true except: a. light and heat from the sun do not affect the biosphere. b. the biosphere gets resources from earth's crust, hydrosphere and atmosphere. c. like "biology", the name for the biosphere comes from the greek word for life. d. the biosphere includes all living organisms on earth's surface.

In the 1400s, portugal’s economy was based on a. industry b. exports c. finance d. trade

The magnitude of an earthquake is typically calculated according to the scale.           a. mercalli   b. fujita   c. richter   d. saffir-simpson