Answer:
rocks that are pulled apart are under tension. rocks under tension lengthen or breaks apart. tension is the major type of stress at divergent plate boundaries. when forces are parallel but moving in opposite directions, the stress is called shear.
Answer:
Using a control group means that any change in the dependent variable can be attributed to the independent variable.
Explanation:
The corer t answer is A... Haiti experienced a major earthquake.
Magnitude
is the energy released by an earthquake.
Using a Richter Scale. (often)
