Archaeologists Louis and Mary Leakey found some of the oldest human remains in

during the 1950s.

What ocean is the deepest?

Plate tectonics theory took decades to be accepted because Choose one: climate, fossil distributions, and land shape offered conflicting evidence. most of Wegener's ideas turned out to be wrong. Wegener couldn't explain how continents moved.

When is freedom of speech not defended

Why are canada's climates generally colder than those of the United States

Which of the following is the most damaging method of soil remediation? a. soil excavation and disposal b. soil aeration c. heating and vapor extraction d. microbial digestion

Which statement (s) is/are true? a. Slow spreading centers tend to have developed rift valleys; fast spreading centers often lack rift valleys. b.

How did the japanese preserve their own identity and culture

This type of tide has the greatest difference between high and low tide (highest high tide to lowest low tide)

Relative-Age Dating A. Relative Ages of Rocks 1. is the age of rocks and geologic features compared to other rocks and features nearby. 2. The relative age of lower layers of rock is than the relative age of rocks above them.

What river forms the border between the states of arizona and california?