During the mesozoic era, pangaea separated into
a. north and south america
c. gondwanaland and gaia
b. laurasia and gondwanaland
d. laurasia and eurasia

The correct answer is b. Laurasia and Gondwanaland!

Gondwanaland (also called just Gondwana) is today's South America, Antrarctica Africa and Australia, and additionally parts of Asia, such as India

Laurasia is today's North America, Europe and parts of Asia.

The answer is c, i, iii, and iv. this is because farming and mining deal with harvesting raw materials, construction work falls under manufacturing, and piloting a plane is a service. ii is wrong because making bread is using  raw materials to produce goods, which would fall under the secondary sector, not primary.