If an astronaut weighs 100 pounds on the planet, how much would he weigh on the star?

Drag each item into the proper state of matter category.

=force × distance a. work b. velocity c. pressure d. momentum

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?