Beginning around 1950, human activity led to an increase in CO2 emissions. Use data from the graph to support an explanation of how CO2 affects Earth’s ability to absorb and release energy from the Sun.

If you add 10ml of hot water to 10ml of cold water and the change in tempature 8°c calculate how much energy is gained by the cold water

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize