Phsc exam questions Study guides, Class notes & Summaries

PHSC Exam 1 2024 Actual Questions and Answers Fully Solved 100% | Complete Solution

PHSC 121 Test 3 Exam Questions All Solved We have seasons because? - Answer -The earth's axis of rotation is tilted 23.5 degrees relative to the ecliptic Which of the following is true of the vernal equinox? - Answer -the Sun is now crossing the equator into the northern hemisphere and the northern hemisphere begins to face toward the Sun. Which of the following is NOT true of the winter solstice? - Answer -the northern hemisphere receives the most direct sunlight of the year For so...

PHSC 1033 Final Exam Questions and Answers All Correct Which of the following will influence all reaction rates ? a ) the presence of catalysts b ) the temperature of reactants c ) the concentration of reactants d ) More than one response is correct - Answer-D is the correct answerr(a, b, and c are correct) Acids give what ions in aqueous solutions ? You can use word / s or formula ( written charge will be assumed as superscript ) - Answer-hydrogen ( H + ) ions A tornado warning i...

PHSC 121 Liberty University Exam 3 Questions With All Complete Answers We have seasons because - Answer -the earth's axis of rotation is tilted 23.5 degrees relative to the ecliptic Which of the following is true of the vernal equinox - Answer -the Sun is now crossing the equator into the northern hemisphere and the northern hemisphere begins to face toward the Sun For someone standing on the Tropic of Cancer, the sun will appear at the observer's zenith ___________ each year and at t...

PHSC 121 Exam Questions with All Correct Answers Why are most of the constellations that were invented in modern times composed of faint stars or located in the southern sky? - Answer-Faint stars or stars in the southern sky were not visible to early astronomers observing from northern latitudes How does the Greek letter designation of a star give you clues both to its location and its apparent brightness? - Answer-The brightest star in a constellation is usually designated as Alpha, the ...

PHSC 121 Exam Questions All Correctly Answered Why are most of the constellations that were invented in modern times composed of faint stars or located in the southern sky? - Answer -Faint stars or stars in the southern sky were not visible to early astronomers observing from northern latitudes How does the Greek letter designation of a star give you clues both to its location and its apparent brightness? - Answer -The brightest star in a constellation is usually designated as Alpha, the s...

PHSC 102 Life in the Universe Exam Questions with Correct Answers Which of the following appears most favored by natural selection? A. intelligence B. bipedal locomotion C. opposable thumbs D. live birth E. binocular vision - Answer-A. intelligence What important molecules of life did Miller and Urey brew up? A. amino acids B. fatty acids C. RNA D. antacids E. lean acids - Answer-A. amino acids Organic molecules are: A. not found outside our solar system. B. silicon-bas...

PHSC 121 Hw 8 Exam Questions With All Complete Answers A black hole is - Answer -b. a region in space where mass produces a gravity field so intense that neither matter nor light itself can escape Black hols are thought to be caused by - Answer -a. collapsing stars b. concentrated mass at the center of galaxies Black holes are theorized to be - Answer -b. at the center of galaxies c. at the center of quasars A quasar is - Answer -c. a large remote energy source which may contain a ...

PHSC 121 B06 LUO EXAM QUESTIONS WITH ANSWERS How can you determine the relative ages of the Moon's maria and highlands? - Answer-Maria are younger than highlands, because fewer craters are observed on mare surfaces. Why is it not surprising that there is no evidence of plate tectonics on Mercury's surface? - Answer-The crust of Mercury is thick and heat flowing outward is unable to drive plate tectonics. What evidence can you give that Mercury had volcanism? - Answer-Lava flows within...

PHSC 121 Final Exam Questions And Answers 4 points of the scientific method - Answer -observation, testing, assumption, hypothesis Our solar system consists of ______ and has ___ major planets - Answer -the Sun and all the objects that orbit the Sun / 8 Why isn't Pluto considered a planet? - Answer -It does not dominate its orbit Light from the Sun takes ___ to reach Earth - Answer -8 minutess The Kuiper Belt is located __________________ - Answer -beyond the orbit of Neptune ...