BRAINLIEST IF CORRECT Which of the following best describes homeostasis?
A. a process that always keeps an organism's internal environment exactly the same
B. a process that promotes the growth of an organism
C. a process in which the body changes the external environment to match the internal environment
D. a process in which the body maintains a relatively constant internal environment

Which of the following is a health risk associated with ground-level ozone? a.cataractsb.skin cancerc.respiratory illnessd.all of the above

Which form of birth control good people use without altering hormonal systems are blocking sperm from fertilizing an egg

A. hannah wants to improve her cardiorespiratory fitness levels, so she begins to alternate running on a flat track with running up stadium stairs. this principle is known as a type b tedium c time d frequency 2. charlie is easily winded during soccer practice and wants to improve his cardiorespiratory fitness. which activity would be best for him to choose? a lifting weights b walking from one class to another c running in a 5k race d riding a bike at a leisurely pace 3. felicia just began running this past month, but since she continues to run the exact same route and exact same distance every day, she is growing bored with her runs. this principle is known as a tedium b progression c specificity d reversibility