Which of the following describes an organism?
a group of atoms working together
a group of cells working together
a group of tissues working together
a group of organ systems working together

Which two particles are found in the center of an atom

What is the speed of an object at a given moment?

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?