Archive day

December 11, 2025

3,129 public questions were asked on this day.

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A team of researchers developed a new chemical for use as antifreeze in car engines. The engineers believe that when the chemical is added to water, the water will freeze at a lower temperature. Which step must the resea...
Asked by Blaine 1 answer
Explaining the Possibility of a Triangle Gerry wants to construct a triangle with segments that are 4, 6, and 11 inches long. Is his triangle possible? Explain how you know.
Asked by D4VD 1 answer
Biotechnology involves the use of living organisms or cell processes to make useful products. To date, the major thrusts of biotechnology have been in drug development, human and animal nutrition, agricultural chemicals,...
Asked by Blaine 1 answer
Identifying Possible Triangles From which set of dimensions could a triangle be constructed? side length of 7 side length of 8 side length of 15 side length of 8 side length of 5 side length of 14 side length of 6 side l...
Asked by D4VD 1 answer
Mr. Soto was trying to explain how electrons move around the nucleus of an atom in circular orbits. Which analogy BEST represents this concept? Responses A Earth spins on its axis.Earth spins on its axis. B The planets g...
Asked by Blaine 1 answer
Determining Whether a Triangle is Unique Ted has the following triangle dimensions. side length of 8 side length of 14 side length of 23 How many triangles can he construct? He can construct only one triangle. He can con...
Asked by D4VD 1 answer
What will we do with waste materials? Waste water, garbage, sewage, industrial pollutants--the amount of waste produced grows each year. The increasing amount of waste materials also requires a growing need for professio...
Asked by Blaine 1 answer
A student would like to do an experiment to see how light can affect the growth of a plant. The student looks up two different lab procedures on the internet and would like to combine the procedures to make a better set...
Asked by Blaine 1 answer
The diagram shows two different systems that represent different regions on Earth. Which question are the models most likely set up to help answer? Responses A How do trapped greenhouse gases affect average daily tempera...
Asked by Blaine 1 answer
Constructing the Third Side of a Triangle A student is constructing a triangle with the following dimensions: side length of 10 inches side length of 30 inches Which measurements could be the length of the third side? Se...
Asked by D4VD 1 answer
Finding Missing Measurements Consider the triangle. Triangle A B C. Side A B has a length of 5, and side A C has a length of 5. Angle B is 30 degrees, angle C is 90 degrees, and angle A is unknown. Angle A = Angle B = 30...
Asked by D4VD 1 answer
Finding a Missing Angle Triangle A B C. Side A C has a length of 14 units. Angle A is question mark degrees, angle B is 68 degrees, and angle C is 82 degrees. A student drew a triangle with a side length of 14 units and...
Asked by D4VD 1 answer
Accuracy is Responses A how close the measurement is the actual valuehow close the measurement is the actual value B how close multiple measurements are to each otherhow close multiple measurements are to each other C ne...
Asked by Blaine 1 answer
Which question can be answered by an experiment? Responses A Do sugar substitutes cause cancer?Do sugar substitutes cause cancer? B Did an ice age kill off the mastodons?Did an ice age kill off the mastodons? C What caus...
Asked by Blaine 1 answer
In a computational model of the energy loss of a house, if the energy flux increases, what happens to the energy loss of the house?(1 point)
Asked by Yana 1 answer
A train travels 500 miles in 8 hours. Assuming that the train continues to travel at a constant rate, write an equation that represents this situation.
Asked by Makayla 1 answer
Jeremy rides his bike at a rate of 15 miles per hour. Below is a table that represents the number of hours and miles Kevin rides. Assume both bikers ride at a constant rate. Which biker rides at a greater speed? Include...
Asked by Makayla 1 answer
Joanna and Stephanie are researching the effects of global warming. They notice that several types of organisms, such as armadillos, gnats, and alligators, are found much further north than they were found twenty years a...
Asked by Blaine 1 answer
Book: Pit Pony by Joyce Barkhouse Each box is worth one to three points on a scale of "good, better, best" level responses, for a total of 18 portfolio points. Questions: What?: What is this book about? When?: When is it...
Asked by unkown 1 answer
Bus A travels according to the function y= 125/2 ​ x, where y is the distance traveled in miles and x is time in hours. Bus B travels according to the graph below, where the distance y is a function of time x. Which bus...
Asked by Makayla 1 answer
Astrologers use the relative positions of stars, planets, and moons to make predictions about the future. Which answer correctly explains why astrology is or isn't a science? Responses A Astrology is a science, it's used...
Asked by Blaine 1 answer
Ms. Brown assigned a research project to her science students. The first step: decide on a problem and develop a research question. Sam decided on the following question: Do aliens live on Earth? Ms. Brown told Sam that...
Asked by Blaine 1 answer
Calculate the constant of variation if y varies directly as x. y = -3 x = 2 -2/3 -3/2 -1 -6
Asked by Makayla 1 answer
Delineate, or identify and briefly explain, Dr. King's use of concession in paragraphs 5, 10, and 11. in letter from Birmingham jail and be overall Do you think those concessions are effective? Why, or why not?
Asked by jamar 1 answer
Calculate the constant of variation if y varies directly as x. y = -3 x = 2 -3/2, -2/3, -1, -6
Asked by Makayla 1 answer