Are the earth's ocean floor and continents the same age geologically? why or why not?

a. no, the continents are much younger because new crust forms there.
b. no, the ocean floor is much younger because new crust forms there.
c. yes, both the ocean floor and continents are constantly forming new crust.
d. yes, both the ocean floor and continents were formed at the same time.

Aremote community desperately needs more electrical energy. it is located in an area with the following characteristics: average wind speed of 15 – 20 km/hr some medium-sized rivers with slow-moving currents few coal deposits some oil exploration being conducted within 400 miles based on the above information, which energy source would be the most economical and safest for the community to pursue? a. fossil fuel b. hydroelectric c. nuclear d. wind