Because there is little leaching.
Answer:
Step 2: The right ventricle pumps the oxygen poor blood to the lungs via pulmonary valve. Step 3: The left atrium receives oxygen -rich blood and pumps it to the left ventricle. Step 4: The left ventricle pumps the oxygen-rich blood via aortic valve, submitting this blood through the entire body.
Explanation:
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Answer:
Key molecules that contain carbon include proteins, nucleic acids, carbohydrates and lipids. Carbon is an integral part of many biological processes, including reproduction, photosynthesis and respiration. We often assume that life in other parts of the universe, if we ever find it, will be carbon-based.
Explanation:
With distilled spirits (such as bourbon, scotch, vodka, gin, and rum), alcohol content is expressed in terms of proof. For example, 100-proof gin is 50 percent alcohol.
'Proof' is directly two times the alcohol by volume or ABV (measured as a percentage).
The term 'proof' originated from England, where the government used to impose a greater tax on liquor having a greater quantity of alcohol. Alcohol content was decided by means of a quite primitive test.
Primarily, the government would rinse a gun pellet with alcohol and seek to ignite the gunpowder. If it was ignited, the alcohol content in the liquor was considered high enough to be judged to be a 'proof' spirit, in the sense that there was proof which indicated that it had a greater quantity of alcohol.
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