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The picture shows a contractile vacuole of a unicellular freshwater organism. The contractile vacuole regulates the flow of water into and out of the cell in an aquatic environement. What condtions cause the contracile vacuole to fill with water? Your answer: A.The concentration of water is greater outside the cell than inside the cell. B.The concentration of water inside the cell is the same as the concentration outside the cell. C.The temperature of water in the vacuole is higher than the temperature of its environment. Which event in Earth's history most directly allowed life to exist on land? What natural elements does this creation myth attempt to explain? Check all that apply. the oceanjjwjw land the universe crops people One of the questions in a study of marital satisfaction of dual-career couples was to rate the statement, "I'm pleased with the way we divide the responsibilities for childcare." The ratings went from 1 (strongly agree) to 5 (strongly disagree). The table below contains ten of the paired responses for husbands and wives. Conduct a hypothesis test at the 5% level to see if the mean difference in the husband's versus the wife's satisfaction level is negative (meaning that, within the partnership, the husband is happier than the wife). Wife's score 2 2 3 3 4 2 1 1 2 4 Husband's score 2 1 2 3 2 1 1 1 2 4 NOTE: If you are using a Student's t-distribution for the problem, including for paired data, you may assume that the underlying population is normally distributed. (In general, you must first prove that assumption, though.)(1) State the distribution to use for the test. (Enter your answer in the form z or tdf where df is the degrees of freedom.)(2) What is the test statistic? (If using the z distribution round your answer to two decimal places, and if using the t distribution round your answer to three decimal places.)(3) What is the p-value? (Round your answer to four decimal places.)(4) Alpha (Enter an exact number as an integer, fraction, or decimal.) = When light with a wavelength of 225 nm is incident on a certain metal surface, electrons are ejected with a maximum kinetic energy of 2.98 10-19 J. Determine the wavelength (in nm) of light that should be used to double the maximum kinetic energy of the electrons ejected from this surface. Explain the Indian Removal Act and the effects it had on Native American groups. Which of the following group colonies voted against Confederationbut their leader joined anyways? (canada)Newfoundland Nova Scotia PEINew Brunswick (no spam pls) Select the number line model that matches the expression |8 - 1| What is the image of (-1, 1) after a dilation of 2?O (1.3)O (2.2)O (-22) Court witnesses are asked "to tell the truth, the whole truth, and nothing but the truth." Research shows, however, that eyewitness accounts of crimes often are unreliable because even the most conscientious witnesses misremember details of what they observed. What other factors that might affect the "truth" a court witness presents? Two negative integers are 8 units apart on the number line and have a product of 308. Which equation could be used to determine x, the smaller negative integer? A: x^2 + 8x 308 = 0 B: x^2 8x + 308 = 0 C: x^2 + 8x + 308 = 0 D: x^2 8x 308 = 0 Which of the following can convey setting in a story? Name of character The age of the character The culture of the character The thoughts of a character Suzanne Brett wants to borrow $55,000 from the bank. The interest rate is 6.5% and the term is for 5 years.What is the yearly payment amount? Which expression is a perfect cube?12x12y18O 12x27,125O 64x15y1864x2727,125 a student in greece discovers a pottery bowl that contains 29% of its original amount of C-14 which of the following are good conductors under normal conditions? A. Penny B.copper wire C. a dime D.plastic E.aluminum foil F.water Can someone help me with this? the population of a country increased by 3%, 2.6%, and 1.8% in three successive years. what was the total percentage increase in the country's population over the three year period?please tell me how u did it 2. What is the sum of 4 tens and 6 tens? What was the Mayflower Compact?A new make-up container invented by the pilgrams.An agreement for land ownership in Mayflower, New York.An agreement to follow certain rules and establish a goverment of sorts in the settlement at Plymouth, Mass. The name of a famousshipThe name of a famous ship.