Fter meeting with their instructor, pablo and johanna know that they need to change their experimental design. they contact a local puppy farm and arrange to do their study with 3-month-old litters of pups from four irish setters, a total of 24 puppies, consisting of 12 females and 12 males. in order to have two sets of puppies, one set to be the control group and one set to be the experimental group, pablo and johanna should

How did presidential reconstruction allow black codes to be passed

How has the elimination of trade barriers affected the movement of goods among member countries of the european union? a. member countries are able to produce all the goods they need. b. goods can move freely among member countries. c. member countries no longer need to trade with countries outside the eu. d. larger countries are able to import more goods than smaller ones.

The development of simple stone tools by early hominids led to the ability to procure meat more efficiently. this in turn led to the change in diet that included larger amounts of protein. many scholars believe that this shift in diet was a significant part of how our ancient ancestors adapted so quickly to a varied set of environments, and thus were able to begin cultural development. this demonstrates the intimate connection between