How many years ago did the Rocky Mountains first form? 1.7 billion years Where did Appalachian settlers come from? Many scholars trace the roots of Appalachian dialect—and southern highland culture in general—to migrants from northern Britain, and especially to the Scotch-Irish who came to the American backcountry from Ulster in the years preceding the American […]
What are the 3 factors that impact natural selection?
What are the 3 factors that impact natural selection? Construct an explanation based on evidence that the process of evolution primarily results from four factors: (1) the potential for a species to increase in number, (2) the heritable genetic variation of individuals in a species due to mutation and sexual reproduction, (3) competition for limited […]
What is the function of Nucleous?
What is the function of Nucleous? The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information. What function does the nucleolus perform? The nucleolus is a dynamic membrane-less structure whose primary function is ribosomal RNA (rRNA) synthesis and ribosome biogenesis. What […]
Is there a relationship between speed and acceleration?
Is there a relationship between speed and acceleration? Speed is the distance covered in a unit of time while acceleration is the rate of change of speed. The unit of speed in the metric system is meters per second (m/s) while that of acceleration is meters per second squared (m/s2). Speed is a scalar quantity […]
Which best describes effects of hurricanes?
Which best describes effects of hurricanes? Hurricanes also cause flooding and occur over a broader area. Which best describes the effects of hurricanes? Hurricanes have storm surges that cause widespread flooding. Why Deforestation increases the risk of floods in an area? Deforestation plays several roles in the flooding equation because trees prevent sediment runoff and […]
What spider can kill a human?
What spider can kill a human? Phoneutria How do you kill a tarantula? If you happen to encounter the Tarantula during treatment and want it killed quickly, you could directly spray them with an aerosol insecticide such as Pyrid Aerosol. Pyrid is labeled to control spiders and delivers a quick knockdown. Are Daddy Long Legs […]
Do elements in a period share chemical properties?
Do elements in a period share chemical properties? All elements in a row have the same number of electron shells. Each next element in a period has one more proton and is less metallic than its predecessor. Arranged this way, groups of elements in the same column have similar chemical and physical properties, reflecting the […]
Who invented spectrum?
Who invented spectrum? Isaac Newton What is the best synonym for Spectrum? Synonyms of spectrum diapason, gamut, range, scale, spread, stretch. What does on a spectrum mean? “On the spectrum” usually refers to the specific set of behavioral and developmental problems and the challenges associated with autism spectrum disorder. A diagnosis of ASD means that […]
What are the three parts of the ear and their functions?
What are the three parts of the ear and their functions? The ear is divided into three main parts – the outer ear, the middle ear, and the inner ear. The inner ear is filled with fluid. The inner ear also contains the receptors for sound which convert fluid motion into electrical signals known as […]
What is another word for isotope?
What is another word for isotope? What is another word for isotope? element form variant version What is the correct statement about isotopes? Isotopes of only heavier elements are radioactive in nature as they have large difference in the number of protons and neutrons. Thus, we can conclude that the statement isotopes of the same […]