Question

in which two places do divergent boundaries occur?
land and oceans
oceans and volcanoes
volcanoes and lower mantle
lower mantle and land

Explanation:

Divergent boundaries occur where tectonic plates move apart. They are commonly found on the ocean - floor at mid - ocean ridges and can also occur on land, creating rift valleys. For example, the Mid - Atlantic Ridge is an oceanic divergent boundary and the East African Rift is a continental one.

Answer:

Oceans and land