Which statement is true of magnets? A. Electromagnets are generally weaker than permanent magnets.
B. Earth is an Electromagnet.
C. Permanent magnets can be turned off.
D. A magnet always has a north pole, and may or may not also have a south pole.

Which of the following occurs after a natural or unnatural disturbance in an ecosystem

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

The table below shows data for a population of fish in a pond. fish body color # of fins scales? tail shape a silver 4 yes fan b pink 4 yes flat c black 4 yes fan d orange 4 yes flat e orange 4 yes fan f silver 4 yes flat which of the above characteristics would be most in developing a classification system for the fish? a. body color and tail shape b. presence of scales and tail shape c. body color and number of fins d. number of fins and presence of scales