Which of the following statements is true? a. the large intestine absorbs digested food. b. digestion does not start until food is swallowed. c. gravity and muscle contractions move food down the esophagus. d. the small intestine receives undigested food from the large intestine.

Some technological solutions to problems like global warming meet the specific needs and situations of local communities. an example from india involves converting the solid waste from cattle into clean-burning fuel for cooking. this reduces the amount of greenhouse gases, specifically methane and carbon dioxide, released into the environment from wood fires. when evaluating the feasibility of implementing this solution, computer models are used to weigh costs against benefits. what factor is least likely to impact the decision on adopting this technology?

Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? active diffusion isotonic osmosis

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?