Why can the moon eclipse the sun on occasion a. sometimes they line up in a straight line b. the moon appears about the same size as the sun c. the moon and sun both have an angular diameter of 1/2 degree d. when the sun is farthest from the earth it is small enough to be eclipsed

A. Sometimes they line up in a straight line.

B. The moon appears about the same size as the sun.

C. The moon and sun both have an angular diameter of 1/2 degree.

Explanation:

D is incorrect.

the roman republic began to expand when rome fought the punic wars and defeated carthage. the punic wars refer to the series of 3 wars fought among rome and carthage, before it ended in carthage's defeat.