3. what is a subduction zone?

A subduction zone is the zone of earth crust where tectonic plates meet.

Result: Subduction zone is the zone of earth crust where tectonic plates meet.

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human impact on the environment can be seen in the deterioration of the !

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the alkaline earth metals (beryllium (be), magnesium (mg), calcium (ca), strontium (sr), barium (ba), and radium (ra)) are a group of chemical elements in the s-block of the periodic table with very similar properties: shiny. silvery-white. hopefully this ? i didn't fully understand the question