What should scientists consider when studying tree rings to understand the variations in the local climate? patterns in their width, their density, and their composition odor from the wood, patterns in their width, and their density their composition, odor from the wood, and patterns in their width their density, composition, and location

__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

Why is it to call the calvin cycle the light independent reactions vs the dark reactions

Is becoming less expensive to screen blood samples for dna certain diseases have genetic basis what is possible ethical concern about the availability of inexpensive dna testing