How do fronts affect the formation of tornadoes? A. Tornadoes can form when one front moves in a circular direction.
B. Tornadoes can form when two fronts move into each other.
C. Tornadoes can form when two fronts pass one another.
D. Tornadoes can form when one front reverses direction.

In a cladogram' when does a group of organisms branch off

Mr. j, age 42, is a construction worker in las vegas. he recently noticed that a mole on his face seemed to be getting larger and darker. at first he did not worry because he was in the sun a lot and assumed the change may have been caused by sunburn. after a month, not only was the mole larger and darker, but it appeared to be “bumpy.” his doctor diagnosed a malignant melanoma skin cancer following biopsy of the nevus. mr. j reports pain in his right shin that does not go away when he puts his feet up or sleeps. discussion questions 1. relate mr. j’s skin changes to the warning signs for malignant melanoma. (see malignant melanoma.) 2. discuss the normal progression of this malignancy. what is the significance of the bone pain that mr. j is experiencing? (see malignant melanoma.) 3. discuss the treatment available for this patient and the prognosis for recovery. (see malignant melanoma.)

In the controversial scientific process of cloning, organisms are created that are genetically identical to there parent. this process would be classified as