A student took 15 identical sized chips. The mass of each chip was recorded and the chips were placed in 4 salt solution (0.1m,0.2m,0.3m,0.4m) and pure water for 30 minutes. The chips were dried and the mass recorded. The mass change and % change in mass was calculated. Design a table to record the students raw and processed data.

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.

Which statement best compares aerobic and anaerobic respiration

What type of graph presents information about how often certain or traits occur?