The cross sections below represent three bedrock outcrops found several kilometers apart.
which statement best explains why the volcanic ash layers are useful for correlating the relative ages of the
bedrock in the three outcrops?
(1) the ash was deposited over a large area when a volcano erupted.
(2) there are no fossils found within the volcanic ash.
(3) the volcanic eruptions that produced the ash layer occurred over a long period of geologic time.
(4) the volcanic ash is found between many different layers of bedrock.

Hich of the following best summarizes the text’s depiction of the ancient indus valley cities (namely harappa and mohenjo-daro)? a. the cities were very plain and simple; the people did not focus on art and architecture, devoting their time instead to agriculture and the bare essentials. b. the cities were adorned, or decorated, with almost overwhelming displays of wealth and artistic architecture. c. the cities were extremely clean, relying on an advanced water and sewer system, though this was mainly constructed for the innermost areas of the cities. d. the cities were clean and peaceful, and they were designed in an extremely organized fashion, using an advanced water and sewer system to keep them this way

Computer models can scientists predict weather. some computer models can show the predicted path of hurricanes. what other events could a computer model warn us of? a) undersea earthquakes , tornadoes, and avalanches b) tornadoes c) avalanches d) undersea earthquakes

In the construction of new housing development, which factor of production can be categorized as land?