What does PreCambrian mean in Greek? Precambrian* – all the time prior to the start of the Cambrian (not a formal era/eon name) * synonymous with “Cryptozoic” – Greek for “hidden life” Proterozoic eon – Greek for “former life” What does period mean in geologic time scale? Period, in geology, the basic unit of the […]
What are two ways to increase kinetic energy?
What are two ways to increase kinetic energy? If you double the mass of an object, you double the kinetic energy. If you double the speed of an object, the kinetic energy increases by four times. The word “kinetic” comes from the Greek word “kinesis” which means motion. Kinetic energy can be passed from one […]
What is the best evidence in the text for the prediction that Champollion will eventually figure out the T hieroglyph?
What is the best evidence in the text for the prediction that Champollion will eventually figure out the T hieroglyph? The only hieroglyph that confused Champollion was the one for “T,” which was different in the two names. What is the best evidence in the text for the prediction that Champollion will eventually figure out […]
Does grass stop erosion?
Does grass stop erosion? Grasses native to your region will help build soil stability. Native grasses grow long roots that tie the topsoil and subsoil together. Buffer strips, or swathes of native species, are a great way to reduce erosion and sedimentation. An added bonus is using plants that can attract pollinators and increase biodiversity. […]
What is the change in velocity per time?
What is the difference between radar and Doppler radar?
What is the difference between radar and Doppler radar? How is Doppler different from conventional radar? Conventional radar detects the presence of dense objects (such as precipitation) in the field, while the Doppler system detects a phase shift between the outgoing and incoming signals. What does a tornado look like on Doppler radar? Meteorologists look […]
Does sonar affect fish?
Does sonar affect fish? It is a finding that Popper says “should not be extrapolated to other fish species or the effects of other sound sources.” There is considerable concern that human-produced (anthropogenic) sounds added to the environment could have damaging effects on marine life. What is the basic principle of sonar? Sonar are electronic […]
What are the similarities and differences between primary and secondary succession?
What are the similarities and differences between primary and secondary succession? Explanation: Primary succession occurs in an environment without previous life, or a barren habitat. Secondary succession occurs in an area that had previously been inhabited but experienced a disturbance, such as a wildfire. The newly created volcanic island has no previous life, and is […]
What are the 10 components of physical fitness and their examples?
What are the 10 components of physical fitness and their examples? Knowledge is Power: 10 Physical Fitness Components Cardiovascular/Respiratory Endurance. Definition: The ability of body systems to gather, process, and deliver oxygen. Stamina. Definition: The ability of body systems to process, deliver, store, and utilize energy. Strength. Flexibility. Power. Speed. Coordination. Agility. Which fitness component […]
What is the difference between the two types of igneous rocks?
What is the difference between the two types of igneous rocks? The two main categories of igneous rocks are extrusive and intrusive. Extrusive rocks are formed on the surface of the Earth from lava, which is magma that has emerged from underground. Intrusive rocks are formed from magma that cools and solidifies within the crust […]