Dolphins originally leap out of the water to avoid predators like sharks. Dolphins also leap out of the water for navigation and to see where they are above the water. They also jump to get air since they are only mammals. Also for the entertainment of the public and also for occasional reasons... Hope I helped ^-^
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Low tar cigarettes have been shown to be no safer than regular cigarettes, and smoking them does not lower the risk of cancer or other diseases.
I would say it's not a good idea
D. The microscope. It is now the workhouse of biology
Answer:
The Viking tubing is meant to be the cell membrane. Glucose manages to move out of the bag and into the surrounding water but starch does not. Not all substances can pass through the cell membrane; some molecules, like starch are too large. The cell membrane is called selectively permeable because of this.
Explanation:
