Q: A substance that displays different colors when in the presence of an acid or a base is called what? Choices: - pH scale - reactor - litmus test - an acid-base indicator A:
an acid-base indicator

Q: During cellular respiration, carbons from the glucose molecule are changed back into what gas? Choices: - deformation dioxide - carbon monoxide - liquid dioxide - carbon dioxide A:
carbon dioxide

Q: The body does not exist in isolation. there is a constant input of water and electrolytes into the system. while osmoregulation is achieved across membranes within the body, excess electrolytes and wastes are transported to the kidneys and excreted, helping to maintain this? Choices: - physical balance - vacuum balance - nucleic balance - osmotic balance A:
osmotic balance

Q: What type of intense storm is a system of winds that rotate around a low pressure center, resulting in swirling air that rises and cools to create clouds and precipitation? Choices: - hurricane - drought - monsoon - cyclone A:
cyclone