Archive day

March 12, 2026

1,851 public questions were asked on this day.

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Which of the following theories explains why the Universe is expanding at a great speed? A. theory of evolution B. heliocentric theory C. geocentric theory D. big bang theory
Asked by london 1 answer
The Doppler effect explains that the observed spectrum of light that is given off by a moving light source is different than that observed when the light source is stationary. The observed spectrum of light has higher fr...
Asked by london 1 answer
Absorption spectroscopy is a technique used to determine the composition of a substance. Each substance tends to behave consistently in terms of which types of radiation it absorbs. When a material absorbs a unique set o...
Asked by london 1 answer
What can be inferred from this excerpt? Clara’s mother was also daring as a young girl. Clara’s mother was angry at Clara for ice skating. Clara blamed the boys for her injuries. Clara’s mother blamed the boys for her in...
Asked by k. 1 answer
Body Composition features and benifits
Asked by juhh 1 answer
Which is most likely to occur during a chemical reaction?(1 point) The original substance maintains its properties. Atoms of the original substance are lost. Mass is conserved. New atoms are created.
Asked by QuestionHelper123 1 answer
You fill your car with 15 gallons of gas at a cost of $45. Using fractional notation, how do you write a proportion that shows how much 5 gallons of gas will cost? Use x to represent the unknown cost. a. 15/x=45/5 b. 15/...
Asked by IGotYa 1 answer
With the patience of a much older, wiser nurse, nothing was too hard for Clara to do well and quickly, if in any way it would make David more comfortable. She remained by his side through many new treatments and failed a...
Asked by k. 1 answer
Which of the following best describes the big bang theory? A. When a large star grew old and ran out of fuel, it resulted in a massive explosion of all types of material in all directions at a great speed. B. The Univers...
Asked by london 1 answer
is my cosuin gay
Asked by izyah 1 answer
Which of the following best summarizes Hoover’s initial response to the Great Depression? (1 point) He believed the government should provide jobs for all Americans. He believed people should have invested more wisely. H...
Asked by xen 1 answer
How do you write 5 is to 1 as 20 is to 4 as a proportion in fractional notation? a. 5:1 :: 20:4 b. 5/1=4/20 c. 5/4=1/20 d. 5/1=20/4
Asked by IGotYa 1 answer
987654345689876 times 6543234589
Asked by addicus dillared 1 answer
Flexibility features and benifits
Asked by juhh 1 answer
"The Odyssey" Historical context SUMMARY 9th grade in easy simple words 3 paragraphs 5 sentences in Each paragraph
Asked by human 1 answer
Which of the following is an example of what people experienced during the Great Depression? (1 point) More Americans sent their children away from home to get an education. People cut their dining out and movies to only...
Asked by xen 1 answer
he big bang theory states that the Universe began by expanding from a small point nearly 14 billion years ago. Since that time, the Universe has continued to expand, and it is still expanding today. In 1964, two scientis...
Asked by london 1 answer
How did the Great Depression begin? (1 point) Investors began to worry the boom would end and began selling stocks. Investors paid back their loans too late to help the economy. People were not willing to sell their stoc...
Asked by xen 1 answer
In past centuries, many people believed in a static Universe—one that had existed forever without changing much, and one that would continue forever more or less as it is today. Which of the following facts supports the...
Asked by london 1 answer
In 1964, two American physicists, Arno Allan Penzias and Robert Woodrow Wilson, discovered a form of microwave radiation permeating throughout the universe at a temperature of about 3 kelvins. This cosmic background radi...
Asked by london 1 answer
Because of the Doppler effect, wavelengths of light _______ as the source moves toward an observer and _______ as the source moves away. A. lengthen (blueshift); shorten (redshift) B. shorten (blueshift); lengthen (redsh...
Asked by london 1 answer
the PATTERN that establishes the overall pace of the poem Poetic theme Rhythm End-stop Enjambment
Asked by O 1 answer
Scientists have observed that the light emitted from faraway galaxies is shifted toward the red on the electromagnetic spectrum compared to similar galaxies that are closer. This is called a redshift. How does this data...
Asked by london 1 answer
Other galaxies observed by astronomers are almost all redshifted. This means that most galaxies are moving away from our galaxy. Since this is true in every direction, the galaxies are all moving away from each other. Su...
Asked by london 1 answer
lines that are grouped together and look like a paragraph that may be separated by a skipped line Simile Metaphor Stanza Tone
Asked by O 1 answer