What can you compare to 40 newtons of force? ?

Which best represents the law of conservation of mass ?

Explain earth's motion, using the terms "precession" and "rotation" in your answer.

Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?