What is the reason for heat transfer from one substance to another?
A. difference in pressure
B. difference in volume
C. difference in temperature
D. difference in mass

Stage in which a typical star has completely stopped fusion

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.

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist