Exams & Certification
Rocks are classified as sedimentary, metamorphic, or igneous on the basis of the a. age of the rocks. b. way the rocks were formed. c. types of fossils the rocks contain. d. number of minerals found in the rocks. The Correct Answer and Explanation is: Correct Answer: b. way the rocks were formed. Rocks are […]
Rocks are classified as sedimentary, metamorphic, or igneous on the basis of the Read More »
Rocks are classified as igneous, sedimentary, or metamorphic, based primarily on their __. a. crystal or grain size b. method of formation c. mineral composition d. texture The Correct Answer and Explanation is: Correct Answer: b. method of formation Rocks are classified into three main types—igneous, sedimentary, and metamorphic—primarily based on their method of formation.
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Select two risk factors for self-harming behavior. a. Having high self-esteem b being a teenager or young adult c. Being female d. having never abused drugs or alcohol I know its going to be something funny and I’m gonna feel dumb asking it but its for my final test of the semester The Correct Answer
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Define velocity. State SI unit, CGS unit? Type of quantity. write the expression. The Correct Answer and Explanation is: Definition of Velocity: Velocity is defined as the rate of change of displacement of a body with respect to time. It indicates how quickly and in which direction an object is moving. SI Unit:Metres per second
What is the SI unit of velocity? A. m B. m/s C. m/s D. m/s^2 The Correct Answer and Explanation is: Correct Answer: B. m/s Explanation: The SI unit of velocity is meters per second (m/s). This unit expresses how far an object travels in one second. Velocity is defined as the rate of change
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Express 4.75 as a fraction in lowest form. 2. What will be the reciprocal of a proper fraction? Give an example. 3. Find 7/8 of a day. The Correct Answer and Explanation is: Answers and Explanation: To convert 4.75 into a fraction: Answer: 4.75 = 19/4 A proper fraction is a fraction where the numerator
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Referring to the most stable Lewis dot structure of I 1/3, what is the hybridization of the central atom? a. spb. spc. sp d. spd The Correct Answer and Explanation is: Correct Answer: b. sp³ Explanation: To determine the hybridization of the central atom in the triiodine cation (I₃⁺), we must first draw its most stable
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The enclosed file ‘hw111.txt’ contains historical data of world population-of human. Read in the data to Matlab and plot the world population vs. year. Use the “plot tool” in Matlab to customize the plot using the following specific format (see an example plot below). a) use yellow “figure” background; b) use log scale for the
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What is the hybridization of the central iodine atom in I3 -? The Correct Answer and Explanation is: The hybridization of the central iodine atom in the triiodide ion (I₃⁻) is sp³d. In the triiodide ion, I₃⁻, three iodine atoms are bonded together in a linear arrangement. To determine the hybridization of the central iodine
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Consider the following integral.Find a substitution to rewrite the integrand as . Evaluate the given integral. (Use C for the constant of integration. Remember to use absolute values where appropriate.) The Correct Answer and Explanation is: Answer:The required substitution is , which rewrites the integrand as . The value of the integral is: Explanation: The
Consider the following integral. Read More »