When may a hypothesis be revised?

A - never

B - based on experimental data

C - after it has been proven to be correct

D - after at least one year from when it was first tested

Which phrase describes faults? cause gaps in the geologic record cause rocks to break and move are older than surrounding rocks are igneous rocks that form beneath Earth's surface

In general, what does the physical map show that the political map doesn't show

A parochial frame of reference is ... ?

Fossil fuels come from a. living plants and animals. c. soil. b. atomic reactions. d. remains of dead organisms.

What was the main reason the First Anglo-Chinese war broke out? A. a struggle over the British sale of opium in China B. a struggle over control of Korea C. a struggle over control of Hong Kong D.

Will climate change will result more or fewer landslides or there be about the same number as now?

When lava cools, it forms a hard rock. True or false?

The total process that turns sediment into rock is called perrifaction, lithification, or metamorphesis?

Renewable resources: A. have finite supplies that will one day be used up. B. include iron, gas, and copper. C. are all living resources. D. can be replenished over months, years, or decades.

A supernova results in a massive