Browse questions and clear answers across school subjects and test-preparation topics.
Scientists discover a star that has a low surface temperature with a high luminosity. Which category of star could this star fit into? red giants red dwarfs white dwarfs main sequence
Read more →Which lines from the poem uses imagery to describe sound? A The bigger planes make a bigger boom And roar like lions as upward they zoom. B Hello there, my friend. My name is Jerome. You might be a bit surprised by my home. C The…
Read more →Solar events are caused by ______ on the sun’s surface. Immense loop-like structures called ______ extend outward from the sun’s surface and follow the sun’s magnetic field lines. A giant eruption on the sun called ______ can eject…
Read more →Stars in the sky can appear brighter or dimmer than each other based on the star’s luminosity and ________ from the Earth. A star’s ________ is how bright the star appears from Earth, while a star’s ________ is the actual brightness of a…
Read more →Select the statement that accurately compares the luminosity (absolute brightness) of a main sequence white, class A star to a main sequence red, class M star. – The white class A star would have a greater luminosity (absolute brightness)…
Read more →Starting in the 1500s, an estimated twenty million European guns were imported to West Africa through the Triangular Trade route. How did this alter the dynamic between African nations? A It changed how African warfare was conducted and…
Read more →This selection consists of A figurative language and rhyme. B misleading information and ideas. C hypothesis and experiment. D information and interviews.
Read more →Why are exoskeletons called “shadow robots”? A) because they perform after the task is started B) because they cannot be seen on the body C) because they are controlled from a distance D) because of the many kinds of help they offer
Read more →Why did religion become a source of conflict in Maryland? 200 words remaining
Read more →Alligators prefer freshwater, while crocodiles are perfectly happy in saltwater. The salt does not bother crocodiles because they A have tongues that get rid of the salt. B have a higher need for salt in their diets. C do not have any…
Read more →Most African kings obtained people for sale into slavery by A purchasing them from Europeans. B capturing them as prisoners of war. C inheriting them from captured kings. D purchasing children as slaves from their parents.
Read more →Match each event described to its probability. 0.25 0.5 0.8 The probability of drawing one card out of standard deck of cards and getting a red card. The probability of getting heads on a coin and an even number on a die if you roll flip…
Read more →The button on Anne’s jacket has a diameter of 8 millimeters. What is the button’s circumference? A 25.12 mm B 12.56 mm C 200.96 mm D 50.24 mm
Read more →Based on your knowledge of the selection, which of the following quotes best summarizes Angelou’s ideas about writing? A. “When I dare to be powerful—to use my strength in service of my vision—that becomes less and less important whether…
Read more →Think about what you have read. Echolocation is A when zookeepers remove blood from cows to feed to vampire bats. B a way vampire bats move that is different from other types of bats. C when bats can tell the location of objects by…
Read more →sum ← 0 REPEAT x TIMES { sum ← sum + 1 } REPEAT y TIMES { sum ← sum + 1 } sum ← 0 REPEAT y TIMES { REPEAT x TIMES { sum ← sum + 1 } } sum ← 0 z ← x * y REPEAT z TIMES { sum ← sum + 1 }
Read more →Keep moving forward, one square at a time, until the square to the right of the robot is black. A) Step 1: Keep moving forward, one square at a time, until the square to the right of the robot is black. Step 2: Turn right and move one…
Read more →-5 = (a – 8) / 2 a = -2 a = 6
Read more →-4(c – 8) – 8 = 36 c = -3 c = 1
Read more →Metabolism generally __________ to the weather. A. forfeits B. contributes C. corresponds D. surrenders
Read more →-4(c – 8) – 8 = 36 c = -3 c = 1
Read more →3 = w/5 + 5 w = -10 w = 10
Read more →Read the paragraph, then choose the word that best completes the sentence. The word metabolism comes from a Greek word that means “change.” Metabolism can be defined as the sum of the nutritional and waste processes of an organism. This…
Read more →19 = 17 – w/3 w = -6 w = 3
Read more →9 + x / 2 = 9 x = -3 x = 9
Read more →Read the paragraph, then choose the word that best completes the sentence. Unwanted advertisements in email—often termed spam—are a nuisance. However, spam is far from a new phenomenon. Before the popularity of email, many businesses used…
Read more →-3u – 16 = 17 u = -11 u = 9
Read more →-22 = -8w + 6w w = -12 w = 11
Read more →Kaldi’s discovery was ________. A) accidental B) costly C) fragrant D) undamaged
Read more →75 = 8q + 7q q = -4 q = 5
Read more →b + 10 / 2 = 9 b = -2 b = 8
Read more →People have long known that elephants are extremely intelligent and very social creatures. But many scientists remained doubtful that the animals could solve particularly complex tasks. Researchers in Thailand performed an experiment to…
Read more →3 = (c + 8) / 5 c = 2 c = 7
Read more →Which statement is most likely true based on the details in the passage? A The United States wanted the entirety of the Mississippi River to be included in its territory. B The United States planned for Lake of the Woods to be a popular…
Read more →Which statement is most likely true based on the details in the passage? A The United States wanted the entirety of the Mississippi River to be included in its territory. B The United States planned for Lake of the Woods to be a popular…
Read more →How does the author structure the passage? A by giving detailed descriptions with examples B by describing a problem and presenting a solution C by providing a claim and supporting it with evidence D by giving historical background…
Read more →What does the phrase “best-kept secrets” mean as it is used in paragraph 6? A) something really fun that many people enjoy B) something really good that not everyone is aware of C) something really personal that people tend not to share…
Read more →Why do paleontologists need to rely on volunteers? A Paleontologists prefer to work with amateurs when they can. B Paleontologists need help searching for possible fossil remains. C Volunteers enjoy hunting for dinosaurs in their free…
Read more →In which two ways does paragraph 3 contribute to the organization of the article? A It provides directions for tourists who want to visit the Northwest Angle. B It describes the location of the Northwest Angle as it relates to the…
Read more →What does the term “clear Customs” mean as it is used in the sentence? A. receive instructions from government officials B. remove an obstacle from an international border C. pass through a process at an international border D. pause for…
Read more →How does paragraph 2 most contribute to a central idea in the passage? A by describing the Treaty of Paris B by explaining an important mapping mistake C by discussing where the Mississippi River begins D by highlighting a friendly…
Read more →How does paragraph 2 most contribute to a central idea in the passage? 1. It explains the geographical significance of the Northwest Angle. 2. It describes the historical context of boundaries between the United States and Canada. 3. It…
Read more →Read the paragraph, then choose the word that best completes the sentence. Malaria is a disease that infects millions of people each year in some parts of the world. In parts of Africa, Asia, and South America, some mosquitoes carry…
Read more →The National Endowment for Financial Education wants to help today’s teens avoid becoming stuck with debt. So the group has developed a set of money management tips. The tips will help young people develop good habits. The key to money…
Read more →Ndongo Ndiaye ______. A worried B celebrated C traveled D hesitated
Read more →Read the paragraph, then choose the word that best completes the sentence. Recently, an art collector bought an unsigned drawing. It was known as “La Bella Principessa.” The collector thought it had been created by a German artist from…
Read more →Put the following events of Lauren’s basketball career in the correct order from earliest to latest. Hill makes a left-handed layup against Hiram College, and the game is stopped for a standing ovation. The V foundation for Cancer…
Read more →What is the author’s purpose in telling this story? A) to show demonstrate how parental support helps children deal with disease B) to show how two teams banded together to fulfill one young woman’s dream C) to illustrate the importance…
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