Also, since the European diseases were extremely communicable, the spread of disease was rapid. This made it very easy for the Indians to become infected by these diseases. In fact, the diseases spread so quickly that in some instances Indians became infected before they even had direct contact with Europeans. During the Columbian Exchange, the most deadly of the early epidemics in America were those of eruptive fevers - smallpox, measles, typhus, and so on (Crosby 42).
Confidence votes 25. A squirrel has Four or Two legs but is more likely to have two because they may run on all fours but they use two hands to eat. <i> <b>A</b> squirrel has Four or Two legs but is more likely to have two because they may run on all fours but they use two hands to eat.</i>. Minor edit?
Three types of feet: A bullfrog's hind foot (left), a toad's front foot (middle), and a tree frog's round-toed front foot (right.) [Click each picture for a larger image.] Photos by Amy Snyder. frog's two front legs have four toes each, while the back legs have five toes each. Aquatic frogs are likely to have long, strong legs with webbed back feet to help them swim. Frogs that live on land tend to have shorter legs for walking and climbing.