Rita has been diagnosed with her2 breast cancer, and is prescribed herceptin. the approach of basing a drug-prescribing decision on the results of a single-gene test is called:

Ineed to know why d is the correct answer asap

How are fossils most commonly formed

3. draw a topographic map that displays the following features: (4 points each) a. the contour interval is 20 meters. b. the point of lowest elevation is 960 meters. c. the point of highest elevation is 990meters. d. there is at least one sinkhole or depression, at any elevation. e. there is at least one steep slope and one gentle slope.