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

Which of the following is an example of how living things, including humans, affect erosional and weathering processes? Question 6 options: a) Animals burrow into soil and humans excavate soil when building.

Why is English the official language in Nigeria? A. Because English is easier to read and write than many African languages B. Because Great Britain still governs Nigeria C. Because of the influence of colonial rule D.

Some South Vietnamese aided the Vietcong in their struggle to overthrow the government. True False

In the diagram of the Earth's interior, which part would S waves made by earthquakes not pass through? A. Inter core B. Outer core C. Mantal D. Crust

A radioactive isotope of the element potassium decays to produce argon. If the ratio of argon to potassium in a mineral is found to be 7:1, how many half-lives have occurred since the mineral cooled below its closure temperature?

Do most deserts receive, on average, less than 50 inches of rain, less than 10 inches of rain, or less than 1 inch of rain each day

Why does the government place excise taxes on goods such as cigarettes and alcohol?

Where did the Austronesian languages originate? A. near present-day Indonesia B. near present-day New Zealand C. near present-day Easter Island D. near present-day Hawaii

A travel-time graphcan be used to find the

Why would contries have a low percentage of children