Using course concepts from Modules 1–2, explain the role of prenatal care in healthy development before birth. In your answer, describe at least one possible complication that can occur when prenatal care is limited and connect it to a real-world example, current event, or personal experience. Be sure to clearly explain how your example relates to the course material.  (Partial credit is possible on this question). 

Please click here to access the blank copy of Mock Paper 1 – V2: Mock V2 – Paper 1.pdf

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Semiconductor lasers used in optical storage productsrequire higher power levels for write operations than for read operations.  High-power-level operations lower the useful life of the laser.  Lasers in products used for backup of higher-speed magnetic disks primarily write, and the probability that the useful life exceeds five years is 0.95. Lasers that are in products that are used for main storage spend approximately an equal amount of time reading and writing, and the probability that the useful life exceeds five years is 0.995. Now assume 25% of the products from a manufacturer are used for backup and 75% of the products are used for main storage.What is the probability that the useful life of a laser exceeds five years? What is the probability that a laser that failed before five years came from a product used for backup?

An ideal gas is compressed isothermally.  The change in entropy for this process is

A 1 kg block of ice at 0.00°C is thrown into a swimming pool at 22.0°C and melts (assume all the melted ice becomes water at exactly 0°C). If the pool remains at 22.0°C, calculate the change in entropy of the ice. Calculate the solution in J/K.  Type only the number part of the answer – do not include units.  Include negative signs where appropriate.   specific heats.JPGLatent Heat.JPG 

Mark each as Completed (Yes – Completed) or Not (No – Not completed):**   You must show the formula sheet and scratch paper at the end of the test on camera: [show-scratch] Rip the formula sheet and scratch paper on camera. Show the ripped pages on camera: [rip-paper] Clear the calculator (memory) on camera: [RAM-cleared] Instructions  on how to Clear RAM (TI-84 Plus family calculators) This will delete programs that you may have stored, and all data in RAM memory: Press 2nd ; mem; 7; Reset, to highlight the RAM menu Select 1: All RAM… At the RESET RAM screen, select 2: Reset When complete, the display will show RAM Cleared Show the “memory cleared or RAM cleared ” calculator screen on camera. I under stand that failure to follow this instruction will result in grade zero for the exam: [guidelines-followed]

** Mark each as Completed (Yes – Completed) or Not (No – Not completed):** Clear the calculator (memory) before starting the exam on camera: [RAM-cleared] Instructions  on how to Clear RAM (TI-84 Plus family calculators) This will delete programs that you may have stored, and all data in RAM memory: Press 2nd ;mem; 7; Reset, to highlight the RAM menu Select 1: All RAM… At the RESET RAM screen, select 2: Reset When complete, the display will show RAM Cleared Show the “memory cleared or RAM cleared ” calculator screen on camera. Show  scratch paper and formula card clearly on camera and kept them in visible writing area entire exam: [scratch-formula] I under stand that failure to follow this instruction will result in grade zero for the exam: [guidelines-followed]

B. Write down the Chinese characters for the following pinyin. In the parentheses, write down the meaning in English. (40%) chéngjì tăoyàn mófàn zhàngfu qìguănyán chāoguò  

There are make up exams and retests in this class.