The Gulf Stream is a surface current in the Atlantic Ocean that flows northward from the Caribbean Sea and the Gulf of Mexico. It feeds another current that reaches northern Europe. Which of these events would cause the greatest changes to the path and strength of the Gulf Stream?(please help) A. a strong earthquake that occurs on the floor of the Atlantic Ocean

B. an increase in the volume of river water that flows into the Gulf of Mexico

C. a reversal of direction in the prevailing winds over the Atlantic Ocean

D. a slight increase in the salinity of the Atlantic Ocean

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.