Harry Harlow performed an experiment in which infant monkeys were housed with two artificial "mothers": one that was made of cold mesh and provided food, and one that was made of cozy cloth but didn't provide food. Harlow found that the monkey infants:

Which of these organisms have the greatest amount of cell specialized

What does it mean for a cell membrane to be selectively permable

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?