Which of the following could be used to convert chemical energy to heat energy?
a. a chair sitting still
c. a leaf absorbing sunlight
b. a battery powering a flashlight d. a rock hitting the ground

__________________ numbers are used to say the order in which people, things, or events show. what are sex hormones?why are they named so? state their function. Question #1: Select the correct answer. Which one is a run-on sentence? A. A camel can go without water for days and days, he stores water in the hump on his back. B. Since the backroom was vacant, Jim used it as a studio. C. Because John assisted his neighbors, they were able to paint his house twice as fast. D. If that old, half-burned house were reconstructed, someone might buy it and move into it. Evaluate without actual multiplication 1) 95x96 2)103x107 Solid sodium iodide is slowly added to a solution that is 0.0050 M Pb 2+ and 0.0050 M Ag +. [K sp (PbI 2) = 1.4 10 8; K sp (AgI) = 8.3 10 17] Calculate the Ag + concentration when PbI 2 just begins to precipitate. In terms of market efficiency, short selling most likely: Group of answer choices leads to excess volatility, which reduces market efficiency. has little effect on market efficiency because short sellers face the risk of unlimited losses. promotes market efficiency by making assets less likely to become overvalued. 1. At the end of one school day a teacher had 17 crayons left. The teacher rememberedgiving out 14 crayons in the morning, getting 12 crayons back at recess, and giving out11 crayons after lunch. How many crayons did the teacher have at the start of theday? List the six major areas of emphasis, other than melancholy, that are characteristic of the romantic philosophy. Answer ASAP, Will give brainliest!! Plz Help I Will Mark Brainliest If Right!!!!!!!!!!!!!!!!!!!!!!!Determine the domain of the function.f as a function of x is equal to the square root of one minus x. A). All real numbersB). x > 1C). x 1D). All real numbers except 1 A driver of a car stopped at a gas station to fill up his gas tank. He looked at his watch, and the time read exactly 3:40 p.m. At this time, he started pumping gas into the tank. At exactly 3:44, the tank was full and he noticed that he had pumped 6 gallons. Marston Manufacturing Company has two divisions, L and H. Division L is the companys low-risk division and would have a weighted average cost of capital of 8% if it was operated as an independent company. Division H is the companys high-risk division and would have a weighted average cost of capital of 14% if it was operated as an independent company. Because the two divisions are the same size, the company has a composite weighted average cost of capital of 11%. Division H is considering a project with an expected return of 12%. Should Marston Manufacturing Company accept or reject the project? Reject the project Accept the project On what grounds do you base your acceptreject decision? Division Hs project should be accepted, as its return is greater than the risk-based cost of capital for the division. Division Hs project should be rejected since its return is less than the risk-based cost of capital for the division. EWhat is the value of x in the equation 3x.. by y 18, when y27 Today, prominent hospitals and medical schools commonly hire actors to portray the sick to help aspiring doctors learn to relate to patients. This is called A debt of $12,000 with interest at 5% compounded monthly is to be repaid by equal payments at the end of each year for three years and nine months. What is the term of repayment? None 12 months 3.9 years 3.75 years in the diagram, find the values of a and b. which one is irrational? How do you graph y=2/3x-4 One researcher wishes to estimate the mean number of hours that high school students spend watching TV on a weekday. A margin of error of 0.28 hour is desired. Past studies suggest that a population standard deviation of hours is reasonable. Estimate the minimum sample size required to estimate the population mean with the stated accuracy. Discoveries of artistic works from early men and women include all of these except