Do you recognize any major
organs in the diagram above?
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Which of the following is a cost of urbanization? a-cities can provide a high standard of living. b-cities are hubs of entertainment and education. c-paving over land changes the environment. d-job opportunities are greater in urban centers.

The pressurized plants and fungi mentioned in the video have some surprising similarities. what differences would you expect them to have?

Which type of transport is responsible for oxygen entering into blood cells? a. vesicle b. passive c. facilitated d. active b. passive