A box is at rest on the ground. An unbalanced force acts on the box and causes it to start moving. The box moves 10 meters in 2 seconds and then stops. Why did the box stop moving? What is the box's average speed?

Which taxon group is more specific, in regards to organisms that are in that group? mammalia animalia

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

Nucleic acid certain protein cell membranes certain carbohydrates