100 : 10 = a. doce c. diez b. veinte d. treinta

What's thought to be responsible for causing Venus's retrograde rotation? A. The composition of Venus's atmosphere B. Venus's high surface temperature C. Gravitational pull from Earth and Mercury D. Tidal forces from the sun on Venus's atmosphere

Why do you think Albania has earned the nickname as "Europe's hermit."?

How do the Himalayas affect culture and climate?

Why do few people live in the desert and Yucatan peninsula regions?

What are the two sources of heat in the earths interior?

Where does the name stratovolcano come from?

Tijuana and Mexicali: (A) are planning to participate in the maquiladora program. (B) are located just opposite the U. S. city of El Paso. (C) were among the first border cites to experience a growth surge. (D) are key cities in the south of Mexico.

A tropical wet climate exists in the United States only in a. Oregon and Washington. b. Florida. c. Hawaii. d. California.

In the late 1800s, most workers worked how many days per week A. 2 B. 4 C. 6

Which characteristic are common among farms in East Africa. Choose all answers that are correct. A) Large industrial owners B) Modern Equipment C) Poor Soil D) Repeated droughts