Radioactive isotopes are used in medicine, power plants, and as tracers. Please select the best answer from the choices provided

What is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?

What makes a dominant allele different from a recessive allele