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December 2025

42,840 public questions were asked this month.

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Recent questions

Latest from December 2025

Simplify the expression. (Combine like terms)2 + 2r + 1 – r
Asked by twin 1 answer
Which of the following investigations could provide evidence that feedback mechanisms maintain homeostasis? (Select all that apply) Responses Monitoring heart rate and breathing during exercise Monitoring heart rate and...
Asked by mike 1 answer
Reply back with a congratulations and welcome on your new addition to your family. Say a power prayer for the baby, parents and extended family family. Good Morning, Happy Wednesday! Pls welcome Messiah into the world my...
Asked by Rowan 1 answer
Reply back to congratulations on your new addition to you family. Say a short prayer for the baby Good Morning, Happy Wednesday! Pls welcome Messiah into the world my heart grew more thn ever imagined yesterday afternoon...
Asked by Rowan 1 answer
Matching. (Match word/phrase with the correct definition) (12 points) an expression or more than two algebraic terms writing a polynomial as the product of two factors (breaking down a polynomial into factors) the input...
Asked by twin 1 answer
Which sequence correctly orders the major events of the Central Dogma, resulting in the essential functions of life being carried out by proteins?
Asked by mike 1 answer
Ernie and Jacob were given some clues and challenged to find the product of three numbers. Ernie wrote the equation below. 8 x 3 + 36 x 2 + 46 x + 15 = 456,225 Jacob wrote the equivalent equation below. ( 2 x + 1 ) ( 2 x...
Asked by bob 1 answer
The process of is the synthesis of an mRNA molecule from a DNA template.
Asked by mike 1 answer
Place the steps in order to using a computational model to explain how predator-prey interactions affect carrying capacity: ​​​​​​​Run the simulation to observe changes over time Input population data for prey and predat...
Asked by mike 1 answer
James runs a car service. He sends a car on a 300-mile trip for a customer. The cost of fuel for each mile traveled depends on the speed in miles per hour, S, and equals pS2, where p is the price of fuel. In addition, he...
Asked by bob 1 answer
An airplane leaves the Springfield airport and flies east at an airspeed of 300 miles per hour. It encounters a wind of 60 miles per hour from east to west. Which expression can be used to calculate the plane’s distance...
Asked by bob 1 answer
Which of the following factors could be represented mathematically to explain changes in carrying capacity at different ecosystem scales? (Select all that apply) Responses Availability of water resources Availability of...
Asked by mike 1 answer
Which of the following provide evidence that natural selection leads to adaptation in populations? (Select all that apply) Responses Peppered moths changing coloration during the Industrial Revolution Peppered moths chan...
Asked by mike 1 answer
A fertilized egg develops into a human with many specialized cell types. Which statement best explains why cell differentiation is essential for this process? Responses It ensures that only nerve cells divide while other...
Asked by mike 1 answer
A student places a thermometer in hot water during a lab and the column of fluid inside the thermometer rises to 90 ° Celsius. What causes the change in the thermometers' readings? Responses A Entropy causes fluid in the...
Asked by Akim 1 answer
As the ball rolls down the ramp, energy is transformed, from potential to kinetic energy. How much kinetic energy does the ball have when it reaches point B, assuming energy is conserved? Responses A 0J0J B 25J25J C 50J5...
Asked by Akim 1 answer
To change liquid water into ice cubes you MUST Responses A decrease the temperature by adding heat.decrease the temperature by adding heat. B decrease the temperature by removing heat.decrease the temperature by removing...
Asked by Akim 1 answer
In which medium would sound travel the fastest? Responses A across a roomacross a room B in a swimming poolin a swimming pool C through outer spacethrough outer space D through a railroad trackthrough
Asked by Akim 1 answer
Sound waves are compression or longitudinal waves that travel through matter. Sound travels through all three mediums, solids, liquids, and gases, at different speeds. Which statement BEST explains why sound travels fast...
Asked by Akim 1 answer
Light hitting a window pane is reflected, refracted, and absorbed. Question 1 Light from the sun (A) strikes a window pane at point P. Some of the light enters the glass and changes direction (angle D). What is this phen...
Asked by Akim 1 answer
Light hits a mirror it bounces off of it. This is why you can see yourself in a mirror. This property of light is Responses A absorption.absorption. B reflection.reflection. C refraction.refraction. D transparent.
Asked by Akim 1 answer
Humans are unable to see ultraviolet (UV) light. However, bees and many other insects can detect ultraviolet light, which helps them find nectar in flowers. Plant species that depend on insect pollination may owe their r...
Asked by Akim 1 answer
One part of the electromagnetic spectrum that arrives on Earth as solar radiation from the Sun is the visible spectrum. Wavelengths of the visible spectrum combine to form what we refer to as Responses A day light.day li...
Asked by Akim 1 answer
Miss Hu taught her class what makes night and day on Earth. She could not use the real Sun. She used a light bulb instead. In this case, the light bulb is a __________ of the Sun. Responses A methodmethod B modelmodel C...
Asked by Akim 1 answer
Question "Scientific knowledge builds upon previous knowledge." Which situation BEST illustrates the statement? Responses A Repeating the experiment of another scientist.Repeating the experiment of another scientist. B T...
Asked by Akim 1 answer