What did Nicaragua, Honduras, Costa Rica and El Salvador create when the broke away from the newly independent Mexico in 1823?

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

What causes eclipses? check all that apply. earth's rotation on its axis moon's shadow covering the sun earth's shadow covering the moon earth's orbit and moon's orbit occasionally aligning the moon and sun's gravity pulling in the same direction

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area