Archive day

January 13, 2026

3,830 public questions were asked on this day.

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Air pressure is lower at high altitudes. An airplane cabin can adjust, but as the plane rises, passengers can experience temporary pain in their ears. Check all facts below that explain why. The air pressure in the ears...
Asked by tj 1 answer
Hydrogen (atomic number 1) has three isotopes: 1H, 2H, and 3H. What is the number of protons in an atom of hydrogen with the highest mass number? Responses 0 0 1 1 2 2 3
Asked by jena 1 answer
What does Emerson argue should be the basis of human actions in the second paragraph of “Self-Reliance”? the right to protect one’s property from damage by others confidence in one’s intelligence and inner worth a desire...
Asked by juamal 1 answer
Answer the following question in 1-2 complete sentences. Compare and contrast relief printing and intaglio.
Asked by 77 1 answer
How does the organization of the second paragraph of "Self-Reliance" contribute to Emerson’s purpose? The paragraph declares that high self-confidence is advisable and refers to the example of great people of all time pe...
Asked by juamal 1 answer
A rectangular room is 2 times as long as it is wide, and its perimeter is 24 meters. Find the dimension of the room.
Asked by chloe 1 answer
For Ba(SO4) determine if it is soluble or insoluble using the rules. Screen Shot 2021-01-20 at 9.48.57 AM-3.png Soluble Insoluble
Asked by adrian 1 answer
What is the mass number of an element equal to? Responses number of isotopes number of isotopes number of electrons plus number of protons number of electrons plus number of protons number of protons plus number of neutr...
Asked by jena 1 answer
When two objects are near each other, how would increasing one object’s mass affect it? The shape of the object would change. The weight of the object would decrease. The gravitational force of the object would increase....
Asked by hoovan 1 answer
Determine the reaction type for this chemical equation: BaCl2 + K2SO4 → BaSO4 + 2KCl double replacement synthesis decomposition single replacement combustion
Asked by adrian 1 answer
3 of 53 of 5 Items Question Ari is starting a yard service business. He charges a flat rate of $10 plus an additional $15 per hour, regardless of the service. Create a function and use a table to determine how much Ari w...
Asked by poppy 1 answer
Which quotation from "Self-Reliance" best summarizes Emerson’s view on belief in oneself? These are the voices which we hear in solitude... We but half express ourselves, and are ashamed of that divine idea which each of...
Asked by juamal 1 answer
Copper(Cu) is made up of 69.1% 63Cu and 30.9% 65Cu. The atomic mass of 63Cu is 62.9296 amu. The atomic mass of 65Cu is 64.9278 amu. What is the average atomic mass of copper? Responses 64.000 amu 64.000 lowercase a m u 6...
Asked by jena 1 answer
Answer the following question in 1-2 complete sentences. Explain how a drypoint artwork is created, including the tools and materials used.
Asked by 77 1 answer
Which force keeps molecules in a fluid together? weak electromagnetic strong nuclear
Asked by hoovan 1 answer
Determine the reaction type for this chemical equation: Fe + Cu(NO3)2 → Fe(NO3)2 + Cu decomposition combustion single replacement double replacement synthesis Question at position 15 15 Multiple Choice 4 points Question...
Asked by adrian 1 answer
Read the excerpt from "Self-Reliance," by Ralph Waldo Emerson. Society is a joint-stock company, in which the members agree, for the better securing of his bread to each shareholder, to surrender the liberty and culture...
Asked by juamal 1 answer
Nitrogen(N) is made up of 99.632% 14N and 0.368% 15N. The atomic mass of 14N is 14.003 amu. The atomic mass of 15N is 15.000 amu. What is the average atomic mass of nitrogen? Responses 14.0 amu 14.0 lowercase a m u 14.00...
Asked by jena 1 answer
Answer the following question in 3-4 complete sentences. Define the following terms: - relief - ground - etch
Asked by 77 1 answer
At which location would an object’s weight be the greatest? on Pluto on Earth on the Sun on the moon
Asked by hoovan 1 answer
give me some short qoutes that queen victoria said
Asked by Jesse 1 answer
Read the first paragraph of “Economy” from Walden. When I wrote the following pages, or rather the bulk of them, I lived alone, in the woods, a mile from any neighbor, in a house which I had built myself, on the shore of...
Asked by juamal 1 answer
Determine the reaction type for this chemical equation: P4 + 3 O2 → 2 P2O3 single replacement synthesis decomposition combustion double replacement
Asked by adrian 1 answer
Given that oxygen has an atomic number of 8. How many protons and neutrons are in the isotope 18O, or oxygen-18? Responses 8 protons and 8 neutrons 8 protons and 8 neutrons 8 protons and 7 neutrons 8 protons and 7 neutro...
Asked by jena 1 answer
Answer the following question in 1-2 complete sentences. How is etching similar to drawing?
Asked by 77 1 answer