An earthquake always occurs where there is a build up of friction along a fault. T or F

Why would the composition of a meteorite resemble the earth's interior?

The us and canadian governments are doing all of the following to combat environmental problems except a. encouraging the use of public transportation b. enacting clean water policies c. requiring emissions testing d. limiting animal populations in some regions

Read the article titled "castro resigns." why did the us impose trade sanctions against cuba in 1962?