Aspring tide occurs during which of the following conditions? a: ) the earth is aligned with the moon and sun. b: ) the earth is aligned with the sun only. c: ) the earth is aligned with the moon only. d: ) the moon-earth and sun-earth alignments are perpendicular.

Spring tides occur when the Earth, sun and moon are aligned. Despite its name spring tides have nothing to do with the Spring season. It was derived from the concept of "springing-forth" . They occur at twice each lunar month, bringing higher tides during high tide and lower tides during low tide. 

  

Answer feldspar,quartz,mica and amphibole;

Answermaritime tropical;