mrs. clark decides to do a demonstration for her class with a piece of notebook paper. using a balance, mrs. clark discovers that the mass of the paper is 20 g. she then takes the piece of paper and cuts it into several small pieces. the cumulative mass of the small pieces is 20 g. what has mrs. clark demonstrated for her class

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

What factors contribute to the effect an environmental toxin has on the human body?

Which benefit of the community experience when its members have a hide level of health literacy