Which statement best explains how convergent boundaries cause changes in Earth’s crust? Question 4 options:

A:They create sediments that accumulate on the ocean floor.

B:They allow magma to reach Earth’s surface, creating new crust and landforms.

C:They create large rift valleys on land that eventually separate continents.

D:They cause subduction zones, which destroy old crust and add more magma to the mantle.

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the calvin cycle has three stages. in stage 1, the enzyme rubisco incorporates carbon dioxide into an organic molecule. in stage 2, the organic molecule is reduced. in stage 3, rubp, the molecule that starts the cycle, is regenerated so that the cycle can continue

answer; i believe that the correct answer is (b) melosis; plz check first.good luck

the answer is d. chordata

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.