According to the information on the periodic table, which of the following could represent element X? A. Aluminum (Al)
B. Sodium (Na)
C. Chlorine (Cl)
D. Nitrogen (N)

__1__ is a climate cycle where the temperature of the __2__ ocean changes because of movements of air and ocean currents. during this period, the trade winds in the south __3__ , causing the __4__ water to move from the __5__ region to the __6__ region. 1) el nino or the monsoon 2) atlantic, indian, or pacific 3) reverse, strengthen, or weaken 4) cold or warm 5) eastern or western 6) eastern or western

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures