Primary sources can be described as those sources that are closest to the origin of the information. They contain raw information and thus, must be interpreted by researchers. Secondary sources are closely related to primary sources and often interpret them.
Answer:Add 1º longitude for every 4 minutes' difference between UTC time and local time.
Explanation:
Answer:
Explanation:
The three main rock types are igneous, metamorphic and sedimentary. The three processes that change one rock to another are crystallization, metamorphism, and erosion and sedimentation. Any rock can transform into any other rock by passing through one or more of these processes. This creates the rock cycle.
The chronometer is a device to measure time in a period of time, therefore not a correct answer.