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December 2025

42,840 public questions were asked this month.

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Recent questions

Latest from December 2025

`What is a substance introduced into the environment that has harmful effects or makes a resource less useful? pesticide element fertilizer pollutant
Asked by cool boy 1 answer
The diagram shows a setup for inducing a current in a wire. A wire connected to the red and blue terminals on a grey box, which contains a white box with a needle pointing to the right with the number 0 above the center...
Asked by andres 1 answer
How do beneficial mutations in DNA contribute to evolutionary change in populations over time? Question 14 options: Beneficial mutations immediately spread to all individuals in the population Beneficial mutations only o...
Asked by it 1 answer
How do plant responses to environmental stimuli (tropisms) demonstrate the integration of structure and function? Question 13 options: Environmental responses only affect plant reproduction, not growth or structure Plant...
Asked by it 1 answer
How does adding an iron bar to a solenoid affect the magnetic field of the electromagnet? It changes the magnetic field to a current. It changes the magnetic field’s direction. It increases the magnetic field’s strength....
Asked by andres 1 answer
Which plant group was the first to evolve seeds, eliminating dependence on water for reproduction? Question 12 options: Ferns which developed specialized spores that could survive dry conditions Mosses that evolved prote...
Asked by it 1 answer
If two heterozygous parents (Tt) have children, what is the probability that their first child will be homozygous recessive (tt)? Question 11 options: 50% chance of homozygous recessive offspring from this genetic cross...
Asked by it 1 answer
Maya sets up two experiments as shown. At right labeled Experiment 1 an iron bar with 5 thick wire loops around it. At left labeled Experiment 2 an iron bar with 5 think wire loops around it. What question is Maya most l...
Asked by andres 1 answer
Which scenario best illustrates natural selection in action? Question 10 options: All individuals in a population having equal reproductive success rates Random genetic changes occurring at consistent rates across all po...
Asked by guys 1 answer
What is a solenoid? a current-carrying wire with many coils a current-carrying wire that is straight a tool used to measure magnetism a tool used to measure current
Asked by andres 1 answer
What does the case of the Bureau of Mines show can happen to government agencies? They may be eliminated. They may be expanded. They may be revised. They may be redundant.
Asked by cool boy 1 answer
Which beneficial role do prokaryotes play in human health? Question 9 options: They produce hormones necessary for proper growth and development They regulate body temperature through metabolic heat production They help...
Asked by is 1 answer
Juan makes an adjustment to an electromagnet that causes the electromagnet to lose some of its strength. What did Juan most likely do? He reduced the number of loops in the wire. He increased the number of loops in the w...
Asked by andres 1 answer
Which ethical concern is most commonly raised about genetic testing for disease predisposition? Question 8 options: Potential discrimination by employers or insurance companies using genetic data Genetic testing technolo...
Asked by guys 1 answer
A large cooler is filled with water, as shown below. A large yellow cooler with a white valve at its bottom. How does the valve on the cooler compare with the switch in an electric circuit? Opening the valve allows water...
Asked by andres 1 answer
This section explores the molecular basis of heredity and how genetic information shapes life on Earth. You'll investigate DNA structure and function, inheritance patterns, and modern genetic technologies that are revolu...
Asked by guys 1 answer
A local restaurant owner receives a complaint that a customer got sick after eating at their establishment. As a responsible business owner applying scientific thinking, what should be their FIRST step in addressing this...
Asked by guys 1 answer
What symbol would best represent an electric fan speed controller in an electric circuit? A short horizontal line then a small circle then a short line pointing up at about 45 degrees then a short gap then a small circle...
Asked by andres 1 answer
Question 1 (1 point) According to the Video, Gravity depends on what two things? a Distance and Weight b Mass and Distance c Weight and Mass d Velocity and Mass Question 2 (1 point) According to the Video, who or what ha...
Asked by QuestionHelper123 1 answer
Why do viruses require living host cells to reproduce? Question 5 options: Viruses lack the cellular machinery for reproduction and metabolism Viruses need oxygen from host cells for metabolic processes Viruses are too l...
Asked by guys 1 answer
Select the choice that corrects the modifiers in the sentence. King Henry V of England, whose determined spirit could not be stopped by no one, won a decisive victory over France at the Battle of Agincourt. King Henry V...
Asked by Chuck Bass 1 answer
A student hypothesizes: "If plants receive more sunlight, then they will grow taller because photosynthesis increases energy production." Which part of this statement represents the hypothesis structure correctly? Questi...
Asked by guys 1 answer
After a little thought, the pigs sent for buckets and milked the cows fairly successfully. . . . Soon there were five buckets of frothing creamy milk at which many of the animals looked with considerable interest. "What...
Asked by p 1 answer
Listen If the pH of a solution becomes too acidic, what would likely happen to enzyme function? Question 3 options: Enzymes would become permanently more effective at catalyzing reactions Enzymes would work faster due to...
Asked by guys 1 answer
A patient experiences fatigue and weakness. Laboratory tests show damaged cellular structures responsible for energy production. Which organelle is most likely affected? Question 2 options: Mitochondria producing ATP thr...
Asked by guys 1 answer