What's happening in the oceanic crust as it is pushed below the continental crust

It sinks into the mantle of the continental crust and could sometimes collapses to form a subduction zone

the answers are as following:

1. c. double helix, nucleosome, coil, supercoil, chromosome

2. b. g2 phase, preparation for mitosis

3. d. interphase consists of the g1, s, and g2 phases

4. c. metaphase

5. a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set

answer; synapse;