Archive day

December 4, 2025

3,420 public questions were asked on this day.

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Sodium hydroxide (NaOH) was added to pure water (H2O). Which most likely were the pH values of the water before and after the sodium hydroxide was added to it? before = 7, after = 9 before = 7, after = 4 before = 4, afte...
Asked by violet 1 answer
This image shows a healthy coral reef on the left and a bleached coral reef on the right. Explain the connection between increased atmospheric carbon dioxide (CO2) concentrations and coral bleaching. Be detailed in your...
Asked by anonymous 1 answer
Analyze the map below and answer the question that follows. A satellite map of the Middle East. The west coast of the Arabian peninsula and western Iraq is circled. Image courtesy of NASA Which major economic activity in...
Asked by ; D 1 answer
What occurs when the marble is released? Use the provided picture to answer the question. Directions: The diagram below shows three positions of a marble when shot from a slingshot at a target. Use the diagram to answer...
Asked by Sophea 1 answer
Which of the following statements is true about water access in the Middle East? A. Access to coastal waters is not important to people. B. Most countries depend on outside resources for water. C. Water is available in l...
Asked by ; D 1 answer
Which ingredient would a company that makes super-sour candy most likely use in large quantities? nitric acid zinc hydroxide citric acid calcium hydroxide
Asked by violet 1 answer
One of the main goals of OPEC’s members is to __________. A. help set international oil prices B. experiment with new energy sources C. settle conflicts over water resources D. discover all of the world’s petroleum sourc...
Asked by ; D 1 answer
Which of the following factors determines how harmful an introduced chemical will be on the environment? a. type of chemical b. concentration c. weather conditions d. all of the above Please select the best answer from t...
Asked by maribel 1 answer
What is the term used to describe the energy of moving particles? * 1 point electrical energy chemical energy potential energy kinetic energy
Asked by Sophea 1 answer
A survey asked a group of adults and youths if they prefer reading books printed on paper or electronic books. Book Preference Age Group Print Electronic Youths 37 27 Adults 33 31 How many youths surveyed prefer reading...
Asked by cesar 1 answer
This graph shows how the amount of carbon dioxide (CO2) in the atmosphere has increased with time. Where is this CO2 coming from? Discuss the primary source of the CO2 and some of the activities that release the CO2 into...
Asked by anonymous 1 answer
ntroduced sewage in water systems _______. a. decreases levels of phosphorus and nitrogen b. increases oxygen levels c. increases concentrations of solids d. leads to decreases in the temperature Please select the best a...
Asked by maribel 1 answer
Solve for \[x\]. Reduce any fractions to lowest terms. Don't round your answer, and don't use mixed fractions. \[54x+64 \geq 49x + 59\]
Asked by e 1 answer
simplify 29/2 as a fraction
Asked by Rose 1 answer
A survey stopped men and women at random to ask them where they purchased groceries, at a local grocery store or online. Grocery Options Gender Store Online Women 35 17 Men 22 7 How many men surveyed shop online?
Asked by cesar 1 answer
A researcher is using a particle accelerator in an experiment studying isotopes. How can the researcher change one isotope into a different isotope of the same element? by removing valence electrons by adding valence ele...
Asked by violet 1 answer
Solve for \[p\]. Reduce any fractions to lowest terms. Don't round your answer, and don't use mixed fractions. \[-7p-4 > 26p -94\]
Asked by e 1 answer
A survey asked a random sample students if they estimated they spent more or less than an hour a day on social media. Social Media Grade More Less 7th grade 16 19 8th grade 17 11 How many 8th graders were surveyed?
Asked by cesar 1 answer
This graph shows how the amount of carbon dioxide (CO2) in the atmosphere has increased with time. Where is this CO2 coming from? Discuss the primary source of the CO2 and some of the activities that release the CO2 into...
Asked by anonymous 1 answer
Chang makes the diagram below to compare Gay-Lussac’s law and Charles’s law. Which label belongs in the region marked X? involves changes in temperature has a constant volume shows an inversely proportional relationship...
Asked by violet 1 answer
To be considered a source of water pollution, the source must include a chemical. Please select the best answer from the choices provided True False
Asked by maribel 1 answer
There are twenty-seven (27) Amendments to the Constitution of the United States of America. These form the basis for not only our individual rights, but the ongoing and organic process of changing the Constitution. State...
Asked by Alex 1 answer
Explain the impact of the artists of the European Renaissance on modern societies.(1 point) Responses Their impact can be seen in the effects of religion. Their impact can be seen in the effects of religion. Their impact...
Asked by libby 1 answer
A survey asked a random sample students if they estimated they spent more or less than an hour a day on social media. Social Media Grade More Less 7th grade 25 18 8th grade 15 20 How many 7th graders estimated they spend...
Asked by cesar 1 answer
What did Thomson’s model of the atom include that Dalton’s model did not have? a nucleus energy levels electron clouds smaller particles
Asked by violet 1 answer