Why were houses constructed so closely together in early nucleated settlements?
A. to maximize arable land
B. to provide protection
C. to allow neighbors to rely on each other
D. to provide equal access to water sources
Please select the best answer from the choices provided.

The solstices and equinoxes, and the number of hours of daylight associated with each, are major factors in the seasons. use the drop-down menus to identify the month when each of these events occurs. the winter solstice in the northern hemisphere: an equinox in both hemispheres: the summer solstice in the northern hemisphere:

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

What are the similarities and differences in the way geologists and biologists approximate the age of the earth? justify your response in two or more complete sentences.