Are u a black single female? y or n, looking for a girl to dm on ig

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity

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?

How many times did thomas edison mess up the light bulb