Answer: The two trucks will be 339.5 miles apart after 3.5 hours.
Explanation:
Let x =Time taken(in hours) by both trucks when they 339.5 miles apart.
Distance = Speed x Time
Distance traveled to North = 48x miles
Distance traveled to South = 49x miles
Total distance = 48x+49x = 97x miles = 339.5 miles [given]

Hence, the two trucks will be 339.5 miles apart after 3.5 hours.
Answer: NATIVE OR PACIFIC ISLANDER
Explanation:
Answer:
The 16th and 17th centuries known as the "incubation period of the modern world" because of the breakthroughs that occurred in the use of water and wind energy for the completion and powering of various industries.
There was also the issue of military revolution which occurred around that time and was the period in which gun powder production started . This led to subsequent production of other weapons during this period.