In the past 150 years, CO2 emissions have risen by nearly 50%. What has dramatically increased during this time that has led to this increase in CO2? Explain how this occurred.

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

What is the inability of an individual or a society to achieve a minimum standard of living known as ?

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.