7x - 1 + 6x - 1 = 180

What's the most valuable metal? A 4 letter word

A new predator is hunting the local population of birds. Some of these species of birds have lighter-colored feathers, which make it harder for the new predator to spot them.

Which war immediately preceded the comments revolution in Russia

What is the national game of canada

Why is Venus considered is Earth's twin

What country is an isthmus linking central and South America

What will the world lose if a culture disappears

Agricultural practices in the United States nearly led to the extinction of the peregrine falcon during the 1950s and 60s.

What religion do most people in Spain, Portugal, and Italy practice?

Wind patterns are a. caused by the moon s pull upon the earth. b. relatively unimportant as climate factors. c. important factors in the earth s climates. d. almost impossible to determine and track.