What is the change of state from a liquid to a gas called? vaporization What state of matter is this sample of mercury? liquid Where is liquid mercury found in nature? Mercury is a naturally-occurring chemical element found in rock in the earth’s crust, including in deposits of coal. On the periodic table, it has […]
Can you eat raw potatoes?
Can you eat raw potatoes? Raw potatoes are more likely to cause digestive issues and may contain more antinutrients and harmful compounds. Yet, they’re higher in vitamin C and resistant starch, which may provide powerful health benefits. In truth, both raw and cooked potatoes can be enjoyed in moderation as part of a healthy diet. […]
Is there a train from LA to San Francisco?
What gives evidence of common descent?
What gives evidence of common descent? Evidence for common descent comes from the existence of vestigial structures. These rudimentary structures are often homologous to structures that correspond in related or ancestral species. The existence of vestigial organs can be explained in terms of changes in the environment or modes of life of the species. What […]
Why do I hear overtones?
Why do I hear overtones? The technique is called overtone singing. The ear now lacks information from the familiar voice sound, and individual partial tones become so loud due to the double resonance that the brain separates the sounds and communicates them to the consciousness as two separate tones. Do all notes have overtones? Overtones: […]
How long can we go without water?
What are the advantages of fiber optic cable and twisted wire?
What are the advantages of fiber optic cable and twisted wire? Twisted pair cables are the most cost-effective option among coaxial and fiber optic, but there is also lower bandwidth and higher attenuation, i.e., the greater the distance the lower the performance. What are 3 advantages of twisted pair cable? Page 1 Twisted-pair cable and […]
Is inflation always bad for the economy?
Is inflation always bad for the economy? Many economists, however, maintain that moderate inflation levels are good for the economy. Moderate inflation is needed to drive consumer spending, which is critical for economic growth. Therefore, rising prices can be considered a good thing. But prices that rise too much or prices that fall are bad. […]
Who proposed pulsating theory?
Who proposed pulsating theory? Arthur Eddington What is the meaning of pulsating theory? : a theory that explains the peculiar features of such stars as the Cepheid variables by assuming an expansion and contraction of the star as a whole in a regular periodic pulsation. Why is the Big Bang The most accepted theory? The […]
What is adaptation example?
What is adaptation example? Adaptation is the evolutionary process where an organism becomes better suited to its habitat. An example is the adaptation of horses’ teeth to grinding grass. Grass is their usual food; it wears the teeth down, but horses’ teeth continue to grow during life. Is sweating a human adaptation? The only mechanism […]