Archive day

December 19, 2025

1,109 public questions were asked on this day.

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Pedigrees are used to help geneticists understand how traits are inherited between generations. The Romanovs, a Russian royal family, had a history of hemophilia, a sex-linked disorder that is determined by a recessive a...
Asked by CHRIS 1 answer
A survey of a class of students found that students are girls, students participate in clubs, and students both are girls and participate in clubs. What is the probability that a student participates in clubs, given that...
Asked by will 1 answer
Match each phrase to its example. Checking on the growth of flowers every week Blank A: Place a card here that matches static card A. Measuring the exact height of a new flower Blank B: Place a card here that matches sta...
Asked by jayden 1 answer
In two paragraphs, and including at least one quote, answer the following questions: What is one theme from "A Christmas Carol" that you noticed? Did the Muppets' version help you understand it?How, or why not? Was there...
Asked by lebron 1 answer
Long ago and like humans today, owls could not see at night. But over millions of years, owls’ eyes significantly changed as they Select an Answer seeing in the dark.
Asked by jayden 1 answer
3. What are bonds in metals like?
Asked by lebron 1 answer
The table and surgical tools in an operating room must be clean before a surgery begins. Tools are washed with soap and water and sterilized with steam to make sure they are free of germs and safe to use. Any unclean are...
Asked by jayden 1 answer
2. Describe polar covalent bonds using water as an example.
Asked by lebron 1 answer
The band members were worried about the group being idle during summer break. However, time off from group practice sessions turned out to be an advantage for the band, because individual members spent more time practici...
Asked by jayden 1 answer
1. Describe electronegativity, and explain the trend of electronegativity in the Periodic Table.
Asked by lebron 1 answer
Before attempting the difficult mountain hike, the group completed specialized training. Five days a week, they exercised on treadmills, wearing devices that limited their oxygen intake. The training imitated the conditi...
Asked by jayden 1 answer
Most people who travel to higher altitudes experience dizziness and difficulty breathing at first. That’s because at high altitudes, the air contains less oxygen. Within a short time, however, the human body adapts and t...
Asked by jayden 1 answer
What central idea do these text details help build? Complete the chart. Details Draggable cards tray Bioprinters will make organs the perfect shape and size to fit patients. Bioprinters will print tissue from people’s ow...
Asked by jayden 1 answer
Which of the following statements about the National Museum Fair in Costa Rica is not true? (1 point) Responses The fair is celebrated only in the capital city, San José. The fair is celebrated only in the capital city,...
Asked by clairees 1 answer
If you had Avogadro’s number of dollars and spent one billion dollars every second, how many years would it take to spend it all?
Asked by CHRIS 1 answer
Why is Avogadro’s number important?
Asked by CHRIS 1 answer
Who calculated Avogadro’s number?
Asked by CHRIS 1 answer
Use the image to answer the question. A painting by Valentin de Boulogne, a follower of Caravaggio, shows a young soldier playing a lute, or a plucked string instrument. Source: Purchase, Walter and Leonore Annenberg Acq...
Asked by tt 1 answer
Select the correct response from the drop-down menu.(1 point) Most of the heavily populated areas in Africa are in the drier regions in the sahara desert in climates with regular rainfall far from the Mediterranean coast
Asked by porky pig 1 answer
On a coordinate plane, 2 lines are shown. Line C D has points (negative 2, 4) and (0, negative 4). Line F G has points (negative 4, 0) and (4, 2). Which statement best explains the relationship between lines CD and FG? T...
Asked by doodle bob 1 answer
What is Avogadro’s number?Give a definition and the number itself.
Asked by CHRIS 1 answer
Who is responsible for bringing Avogadro’s work out of the shadows?
Asked by CHRIS 1 answer
Select the correct response from the drop-down menu.(1 point) Most of the heavily populated areas in Africa are
Asked by porky pig 1 answer
All four sides are equal in length. All four angles are 90°. The diagonals are equal in length and intersect at right angles. Opposite sides are parallel.
Asked by alex 1 answer
Different Approaches to Web Testing Web testing is a very large subject and a deeply important one. Testing is the manner by which we understand if a web project has been correctly implemented and is matching a client’s...
Asked by zander 1 answer