Answer:
air, water, and a habitable earth
Explanation:
the resources are oxygen from air, fish from water, and fruits, vegetables, meat, and herbs that can help with health.
Answer:
C. Concentration gradient
Then the model will become useless. originally the bottle should be air tight only tubes connected to the balloons, so that pressure can be shown when you adjust the plastic sheet in the bottom of the model. but now if there's a hole, air can move freely in or out the bottle and the model will not be able to show anything that occurs during respiration
Answer:
Explanation:Which descriptions correctly identify what could be malfunctioning with the malignant tumors? Check all that apply. Cells are dividing without
