3. Alfred Wegener discovered that there are similar mountain ranges on both sides of the Atlantic Ocean. An example of this is the Appalachian Mountains that disappear off the

coast of Newfoundland and the mountains that are found in the British Isles. These

mountain ranges are similar in age and composition. This information helped Alfred

Wegener form his theory of -

a. Continental drift

b. Sea floor spreading

c. Glacial impact

d. Global warming

continental drift

Explanation:

c and d make no sense, and b is describing the sea floor expands and moves, so a is correct

lol idk man i guess u gotta ask bill nye the science guy

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.