Trade routes are
not determined by

ship design
geography
international relations
modern technology

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?

The percentage of people in the united states engaged in agriculture in 2000 was approximately a. 56% b. 38% c. 21% d. 2%

The figure is a square. its diagonals meet to form four right angles. what is the approximate value of x? 2.8 units 3.3 units 4.0 units 5.7 units