Maria would like to determine how mixing two solutions that chemically react with each other affects the density of the solutions. maria hypothesizes that the solutions will increase in density. maria tests her hypothesis by: 1. selecting the solutions to test. 2. pouring the solutions together. 3. measuring the density of the solutions after the chemical reaction has taken place. 4. recording her results. what is wrong with how maria tested her hypothesis?

Whay is the following best defines climate

What property of water provides for appropriate sugar, salt, and amino acid levels to be present and carried in the blood of animals to be delivered to cells

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.)