3. A train moves from rest to a speed of 25 m/s in 30.0 seconds. What is the magnitude of its
acceleration? A = (V-V:)/T
• Show how you set up the problem. (Show your work.)

What are the types of genetic recombination

Read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. applying the biological species concept, the sterility of ligers reveals that a. lions are probably a subspecies of tigers b. tigers and lions are the same species c. a new species called "ligers" is forming d. tigers and lions are separate species

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid