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December 2025

42,840 public questions were asked this month.

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Recent questions

Latest from December 2025

Explain how Renaissance humanists influenced the Scientific Revolution.(1 point) Responses Humanists started universities to study ancient works from Greece. Humanists started universities to study ancient works from Gre...
Asked by libby 1 answer
How does Bohr’s model of the atom compare with Thomson’s model? They both describe atoms as small, indivisible spheres. They both describe electrons as moving around the nucleus. They both describe electrons as being sur...
Asked by violet 1 answer
The untreated sewage discharged by cruise ships is _______. a. blackwater b. greywater c. solid waste d. not considered pollution Please select the best answer from the choices provided A B C D
Asked by maribel 1 answer
Solve for \[z\]. Assume the equation has a solution for \[z\]. \[a\cdot(t+z) = 45z+67\] z=
Asked by e 1 answer
Explain how heat can be a source of water pollution. in small paragraph
Asked by maribel 1 answer
Use context clues to determine the meaning of endeavor as it is used in paragraph 8 of “All Together Now.” Write your definition here and identify clues that helped you figure out the meaning. Then check the meaning in a...
Asked by isabelle 1 answer
simplify 12 7/8 - 5 5/8
Asked by Rose 1 answer
Which is an example of a chemical change? frying an egg boiling water melting butter chopping onions
Asked by violet 1 answer
What are the consequences of increased nitrogen and phosphorus into water systems? (Site 3) in a paragraph
Asked by maribel 1 answer
Solve the system of linear equations by graphing. Round the solution to the nearest tenth as needed. y + 2.3 = 0.45x –2y = 4.2x – 7.8 (2.4, –1.2) (–1, 2.5) no solution infinitely many solutions
Asked by julie 1 answer
Why is nonpoint source pollution difficult to control? in a paragraph
Asked by maribel 1 answer
Students graphed the growth rate over several weeks of two plants in their classroom. The equations of both plants are given where x represents the time in weeks and y represents the heights of the plants in inches. Plan...
Asked by julie 1 answer
What are the factors that determine the level of harm an introduced chemical has on the environment? in a paragraph
Asked by maribel 1 answer
Which statement best describes the equation CaCO3 + 2HCl → CaCl2 + CO2 + H2O? CaCO3 is a reactant; it is present before the reaction occurs. CaCl2 is a reactant; it is present before the reaction occurs. CO2 is a reactan...
Asked by violet 1 answer
Which coefficient is needed in front of NaNO3 to balance the equation Na2S + Zn(NO3)2 → ZnS + _NaNO3? 1 2 5 7
Asked by violet 1 answer
Question Which of the following was NOT among the ways that the invention of papyrus helped to advance Egyptian society? (1 point) Responses It gave them a way to document and communicate important information. It gave t...
Asked by libby 1 answer
This table shows the pH values of different solutions. A 2-column table with 4 rows. The first column labeled solution has entries W, X, Y, Z. The second column labeled p H has entries 6, 5, 1, 3. Which ranks the solutio...
Asked by violet 1 answer
Which of the following religious beliefs of the Egyptians helps explain the construction of the pyramids? (1 point) Responses They worshipped the sun; therefore they build pyramids pointing directly at the sun. They wors...
Asked by libby 1 answer
7 of 107 of 10 Items Question For what purpose were the pyramids built? (1 point) Responses as temples devoted to the Egyptian gods and goddesses as temples devoted to the Egyptian gods and goddesses as barracks for the...
Asked by libby 1 answer
A triangle has two sides of length 10 and 21. What is the smallest possible whole-number length for the third side?
Asked by Elijah 1 answer
During a camping trip, Sierra collected dry branches and broke them into smaller pieces. She then placed the sticks in a fire pit and used a match to light the sticks on fire. Next, she propped a metal pan of water over...
Asked by violet 1 answer
There are 99 males and 121 females participating in a marathon. What percent of the participants are female?
Asked by jaiden 1 answer
Which era of Egypt marked the appearance of the pyramids? (1 point) Responses The Central Kingdom The Central Kingdom The New Kingdom The New Kingdom The Old Kingdom The Old Kingdom The Middle Kingdom
Asked by libby 1 answer
During the Old Kingdom, the Egyptians invented and used ________________, a type of paper made from a plant by the same name. (1 point) Responses sarcophagus sarcophagus papyrus papyrus anubis anubis osiris
Asked by libby 1 answer
Austin correctly answered 92% of the questions on a geography quiz. Liz answered 47 of the 50 questions correctly. Who earned the higher score? Compare their scores. Austin answered 47 of the questions correctly, which i...
Asked by jaiden 1 answer