<span>If a test tube has been used, and its contents is supposed to be disposed, carefully pour the contents to the lavatory with a confirmation of a professional (as it may damage the pipelines of the sink) and ensure that there are no splashes created that can contact the human skin. Wash the test tube thoroughly and let dry.</span>
Answer:
1. 15% 2. 85% 3. 70% 4. Yes because there is 15% more water outside the cell than inside 5. The water will move inside 6. Swell 7. I'm so sorry to say but I have no idea what type of cell it is. Best of luck!!!
Explanation:
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.