Select the common uses of radioactive elements in health care. 1) soft tissue images 2) diagnosis of diseases 3) antibiotic use 4) treatment of cancer brainliest if possible, !

In 2002, the rare earth elements mine in mountain pass, california was closed because

What is the molar mass of a gas that has density of 2.054 g/l

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.