Archive day

December 19, 2025

1,109 public questions were asked on this day.

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All of the following are factors that affect metamorphic processes except Question 14 options: A) deposition of new layers of sediment. B) temperature. C) pressure. D) mineral composition of the parent rock.
Asked by idk 1 answer
Which scientist began organizing elements into the periodic table? Question 13 options: A) Sir Isaac Newton B) Sir Francis Bacon C) Alfred Wegener D) Dmitri Mendeleev
Asked by idk 1 answer
In general, which step of the scientific method generally follows forming a hypothesis? Question 12 options: A) Designing an experiment B) Making an observation C) Identifying variables D) Stating a problem
Asked by idk 1 answer
What happens to an atom of sulfur (S) if it loses an electron? Question 11 options: A) It becomes an anion. B) It becomes a molecule. C) It becomes inert. D) It becomes a cation.
Asked by idk 1 answer
Which geological principle accounts for the tilting of the layers in the sedimentary rock shown in the image? Question 10 options: A) Principle of faunal succession B) Principle of inclusions C) Principle of superpositio...
Asked by idk 1 answer
Which element in magma is most abundant? Question 9 options: A) Aluminum B) Iron C) Oxygen D) Silicon
Asked by idk 1 answer
Which of the following is the building block of silicate minerals? Question 8 options: A) Silica chain B) Silica dodecahedron C) Silica ring D) Silica tetrahedron
Asked by idk 1 answer
Which characteristic of minerals may be described using words such as bladed, fibrous, platy, or dendritic? Question 7 options: A) Crystal habit B) Lattice framework C) Streak D) Luster
Asked by idk 1 answer
A geologist is collecting data from a sample of rock. Which of the following is an example of qualitative, rather than quantitative, data? Question 6 options: A) The percentages of various minerals in the rock B) A descr...
Asked by idk 1 answer
The image shows the mineral kaolinite. Which of the following best describes the luster of this mineral? Question 5 options: A) Metallic B) Nonmetallic glassy C) Nonmetallic pearly D) Nonmetallic dull
Asked by idk 1 answer
Where is Earth's oldest known rock located? Question 4 options: A) The eastern shore of Hudson Bay in Canada B) The Jack Hills region of Australia C) The floor of the Pacific Ocean D) Yosemite National Park in the United...
Asked by idk 1 answer
Which of the following describes chemical weathering? Question 3 options: A) The removal of overlying material decreases pressure on an underlying rock. B) Salt crystals grow in the cracks and pores of a rock. C) Acid ra...
Asked by idk 1 answer
What's a pluton? Question 2 options: A) A body of igneous rock that forms from cooling lava on Earth's surface B) A body of igneous rock that forms within Earth's crust C) A body of igneous rock that form as a result of...
Asked by idk 1 answer
How are mafic minerals different from felsic minerals? Question 1 options: A) Mafic minerals contain more light-colored, low-density minerals. B) Mafic minerals contain higher levels of feldspar and quartz. C) Mafic mine...
Asked by idk 1 answer
Question Compare the art of the ancient Greeks to the art of the ancient Romans. These art forms have many things in common. What is one reason for this? (1 point) Responses Roman sculpture was heavily influenced by Gree...
Asked by a 1 answer
The map shows the allele frequency of sickled hemoglobin (HbS) and malaria endemicity in Africa. mc027-1.jpg Which statement best explains the relationship between HbS allele frequency and malaria endemicity in Africa? W...
Asked by CHRIS 1 answer
Natural selection is a process by which organisms that are better adapted to their environment tend to increase in size. migrate. evolve new traits. survive.
Asked by CHRIS 1 answer
Koalas are marsupials that are found in eastern Australia. Although their ancestors lived mostly on the ground, modern koalas spend most of their time in eucalyptus trees. This is possible because their hands and feet ha...
Asked by CHRIS 1 answer
Charles Darwin observed a unique beak size and shape in the finch population of each of the Galapagos Islands that he visited. mc003-1.jpg Which is the most likely cause of the observed variation? differences in the clim...
Asked by CHRIS 1 answer
Which best describes the relationship between evolution and natural selection? Natural selection leads to evolution. Evolution leads to natural selection. Natural selection is the same as evolution. Evolution and natural...
Asked by CHRIS 1 answer
In the African savanna, more wildebeests are born than the environment can support. Which is most likely to happen over a period of years as a result? The chances for survival of the population are reduced. New food sour...
Asked by CHRIS 1 answer
Consider this image of a gazelle. mc016-1.jpg Which of the gazelle’s naturally selected traits is shown in this picture to be an evolutionary advantage? feeding only at certain times of the day coat color for blending in...
Asked by CHRIS 1 answer
You find a blog post written by a student on a university website about photosynthesis. It cites multiple peer-reviewed journals, and has several comments from other students who agree with the findings. Which is a reaso...
Asked by l 1 answer
You want to use evidence to support a claim that ATP provides the energy for various cellular activities, and this only happens because of cellular respiration. Which piece of evidence best supports your statement? (1 po...
Asked by l 1 answer
In terms of natural selection, what is the best description of an organism that is fit? The organism is physically stronger than competing organisms. The organism is physically stronger than organisms of a different spec...
Asked by CHRIS 1 answer