Draw the product(s) of the Diels–Alder reaction of 1,3-butadiene with trans-1,2-dibromoethene. Use wedge-and-dash bonds to show the stereochemistry of the product(s). Include hydrogens at any chirality centers.

In chile, the deepest earthquake occurred at 61.7°w longitude at a depth of 540 km. if the rocks at the focus began subducting 10 million years ago and are now 1000 km from their original position, what is the average rate of subduction in cm/yr?