Place the 50 kg box in the center of the track. Move the friction bar to "Lots". Set the Applied Force box by entering 350 Newtons. Again, you will start the force at the same time you start the stopwatch.

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Recombinant dna (rdna) creates offspring which are genetically identical to the parent is the process of breeding only organisms with desirable traits involves the removal of the nucleus of a cell combines genes from organisms of different species in a lab

Number and variety of living organisms includes genetic, species, and ecological types