Before computers how did mapmakers create map projections

a) with historical records

b) with mathmatical formulas

c) with economic forcasts

d) with observation of natural distortions on earths surface

What factors affect island species diversity and why?

Which planet is total recall largely set on?

When slate is changed by heat and pressure what does it form into

Which option distinguishes the two cows that would be kept and breed in the following scenario? The first cow was a larger male with a wild temperament. The second cow was a smaller female who produced a great deal of milk.

A dictator generally takes and keeps his power by force a. true b. false

What is the Trans-Siberian Railroad? a. the world's longest continuous railroad line b. the major link between Moscow and Europe c. the best way to travel between Russia and Afghanistan d. the shortest railroad in Siberia

What are the 4 different fields of study of Earth's systems?

What are the possibilities for responding to climate change and who has power over the decision-making process

2³+√25*3-4²:√4 it math

What is the name of a city that is located at 39 degrees north and 75 degrees south?