What happens to old oceanic crust as new molten material rises from the mantle?

 The correct answer is :  The new material is responsible for separating the old material and stacking it out from the crest.

Explanation:  At mid ocean ridge, molten material leaves the mantle and erupts. The old crust extends closer to the continents. The process by which the ocean floor sinks into the mantle is called subduction.

the correct answer is modern american cars are not available due to trade restrictions.

trade between cuba and the united states have serious restrictions. the u.s. imposed an economic embargo on cuba, that among other things means that modern american cars are not available due to trade restrictions.

in response to some governmental actions of the authorities from cuba, president john f. kennedy proclaimed an embargo on trade between both countries in february 1962. the trade embargo remains active until this day and was implemented directly by the departments of commerce and the department of treasury.

in president trump’s administration, there is a national security presidential memorandum that "strengthens the policy of the u. s.", affecting trade with cuba.

try something like republic or democracy joined or something because its talking about a election party.