Quiz Active
1
SEBE
Which term describes a pure substance that is made up of only one type of atom?
O matter
O rock
compound
element

hammurabi rulers

good lesson

just finished the test, the answer is d, greg is the least cost-effective because he charges the most for the project

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.

yes, because even though a theory has a  lot of evidence to support it, it is not always true