Where is oceanic crust thickest? a. at mid-ocean ridges b. in the center of ocean plains c. at deep-sea trenches d. none of the above

The oceanic crust is thickest at MID OCEAN RIDGES.

Oceanic crust refers to the thin portion of the earth crust that is located under the ocean basin. It is the uppermost layers of the oceanic part of a tectonic plate and it is about six kilometers or four miles thick at the mid ocean ridge. Ocean ridge is formed as a result of rising up of magma from the asthenosphere.

what's the

explanation:

venn diagram is pictorial representation with of circles showing the relation between two finite sets or things. the intersection part of two circles conveys the relation present in between those sets or things.

here in the venn diagram of sand and salt two circles represent sand and salt. but the area falling under the intersection of these circle represents the mixture of sand and salt.

so, in a venn diagram the mixture will be placed in a middle that is in between the intersection of two circles.