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Questions (26)
Use the chemical equation to complete the activity.
2Cu+S→Cu2S Copper (Cu) reacts with sulfur (S) to form copper sulfide as
60 answers
288 views
In a molecule of lithium sulfide, there are two atoms of lithium and one atom of sulfur. Which statement about lithium sulfide
21 answers
445 views
How did its location help Kush become a powerful kingdom?
(1 point) Responses It created competition with the powerful Egyptian
52 answers
300 views
Which of the following describes one of the tasks of a good conclusion
providing a new piece of trivia making the reader angry
30 answers
352 views
How do you explain why two graphed lines have the same slopes but different y -intercepts?(1 point)
Responses Not enough
41 answers
272 views
Which of the following could be absent from the grief process?
(1 point) Responses bargaining bargaining death death acceptance
38 answers
307 views
True or False:
It is better for you to avoid intense feelings of grief. (1 point) Responses true true false
6 answers
430 views
Suppose 10 atoms of carbon (C) react with 20 atoms of oxygen (O) to form 10 molecules of carbon dioxide (CO2). According to the
11 answers
340 views
Alex works at his computer for several hours a day. He is careful to sit up straight at the computer with his feet on the floor
6 answers
204 views
The Kushites invented which kind of writing?
(1 point) Responses hieroglyphs hieroglyphs Meroitic script Meroitic script cursive
78 answers
304 views
Solve for x to determine if the equation has one, none, or infinite solutions.
11x=3(7x−1)−10x(1 point) Responses The
72 answers
396 views
NaHCO3+HC2H3O2→NaC2H3O2+H2O+CO2
A student mixes baking soda (NaHCO3) and acetic acid (HC2H3O2) to produce a chemical reaction
49 answers
244 views
Prior to the destruction of the Second Temple, which of the following areas of the world contained Diaspora communities?
(1
40 answers
298 views
Which of the following describes active voice?(1 point)
Responses voice used in writing in which the subject of the sentence
14 answers
197 views
How have the Ten Commandments influenced life today?
(1 point) Responses They established the democratic form of government. They
67 answers
433 views
Which of the following describes what it means when subjects and verbs agree?(1 point)
Responses They are both singular or both
78 answers
516 views
Use the paragraph to answer the question
Mozart was a musical prodigy, creating his first musical compositions at the age of five
20 answers
207 views
Parrots are fascinating creatures that have captivated humans for centuries. With over 393 species, these colorful birds can be
48 answers
405 views
What is text organization?(1 point)
Responses the attitude of a writer toward a subject or an audience the attitude of a writer
36 answers
276 views
Convert 0.72¯¯¯¯¯ to a rational number in simplest form.(1 point)
17 answers
190 views
Imagine a family of farmers in the Neolithic Age. They are a multi-generational family living together on a large farm. They
52 answers
325 views
Which option is a natural material that is not a fossil fuel?(1 point)
cotton cotton natural gas natural gas petroleum petroleum
56 answers
472 views
A food surplus is a benefit of farming. Which of the following is a food surplus?
(1 point) Responses when extra food spoils when
44 answers
304 views
How many digits long could the repeating cycle of a repeating decimal be if the denominator of the rational number is 7?
26 answers
578 views
Write 925 in expanded form.
20 answers
712 views
Using a number line, what whole number and rational number to the nearest half is 105−−−√ between?(1 point)
23 answers
654 views
Answers (474)
Use the chemical equation to complete the activity. 2Cu+S→Cu2S Copper (Cu) reacts with sulfur (S) to form copper sulfide as shown in the equation. A scientist adds 12.7 grams of Cu to 3.2 grams of S to start the reaction. In this reaction, all of the
In 1-2 sentences, explain why creating models, like the one shown in the image above, is important in understanding substances.
Use the unbalanced chemical equation to answer the question. 2NaHCO3 → Na2CO3 + CO2 Which of the following can be added to the products to balance the equation? (1 point) Responses H2O H 2 O CH2OH CH 2 OH H2 H 2 O2
One molecule of bromine (Br2) and two molecules of potassium chloride (KCl) combine in a reaction. How many atoms are in the products?(1 point) Responses six six four four three three two
Which procedure could be used to demonstrate that matter is conserved during a physical change?(1 point) Responses Find the mass of an apple. Cut the apple and remove the core. Find the mass of the remaining apple. Find the mass of an apple. Cut the apple
Sodium reacts with chlorine to form the compound sodium chloride, or salt. The chemical formula below shows how the two elements combine into a compound. 2Na + Cl2 → 2NaCl If the total mass of the reactants is 58.44 amu, what will be the total mass of
How does a balanced chemical equation demonstrate the Law of Conservation of Mass?(1 point) Responses it shows that the properties of the elements stay the same after the reaction it shows that the properties of the elements stay the same after the
How are chemical changes different from physical changes?(1 point) Responses They include shifts in the phase of matter. They include shifts in the phase of matter. They form new substances. They form new substances. They are reversible. They are
Why are sodium (Na) and potassium (K) in the same group on the periodic table?(1 point) Responses They are both hard and brittle. They are both hard and brittle. They have similar atomic weights. They have similar atomic weights. They have similar
Which element has the same number of valence electrons as bromine (Br)? (1 point) Responses selenium (Se) selenium (Se) krypton (Kr) krypton (Kr) chlorine (Cl) chlorine (Cl) potassium (K)
In a molecule of lithium sulfide, there are two atoms of lithium and one atom of sulfur. Which statement about lithium sulfide is correct?(1 point) Responses The chemical formula for lithium sulfide is LiS2. The chemical formula for lithium sulfide is LiS
Cobalt has a mass number of 59 and an atomic number of 27. A student wants to create a model of a cobalt atom. Which statement about the model is correct?(1 point) Responses The model should show 32 protons and 59 neutrons. The model should show 32 protons
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Identify the slope and the y -intercept of the equation 4x−3y=12 .(1 point) Responses The slope is 4/3, and the y-intercept is (0, 4). The slope is Start Fraction 4 over 3 End Fraction , and the y-intercept is left parenthesis 0 comma 4 right parenthesis
Write y−2=3/2(x+2) in slope-intercept form.(1 point) Responses y=3/2x+5 y equals Start Fraction 3 over 2 End Fraction x plus 5 y=3/2x+3/2 y equals Start Fraction 3 over 2 End Fraction x plus Start Fraction 3 over 2 End Fraction y=3/2x+6 y equals Start
Write y−2=3/2(x+2) in slope-intercept form.(1 point) Responses y=3/2x+5 y equals Start Fraction 3 over 2 End Fraction x plus 5 y=3/2x+32 y equals Start Fraction 3 over 2 End Fraction x plus Start Fraction 3 over 2 End Fraction y=3/2x+6 y equals Start
Transform the linear equation 4x−8y=24 to slope-intercept form.(1 point) Responses 4x−8y=24 4 x minus 8 y equals 24 −8y=−4x+24 negative 8 y equals negative 4 x plus 24 y=1/2x−3 y equals Start Fraction 1 over 2 End Fraction x minus 3
Identify the gerund in the following sentence: Swimming is something the children love to do for fun. * swimming something children fun
Which of the sentences below use correct subject-verb agreement? * Both of my dogs has collars on them. Either the girls or the boy walk in the evening. The hard tests come at the end of the fall.
If the atomic number of an element is six and the atomic mass is 15, how many neutrons does it have? * 1 point 6 Neutrons 9 Neutrons 15 Neutrons
How does the periodic table help to predict the properties of elements? * 1 point Elements in the same group have similar properties Elements in the same period have similar properties The number of protons in an atom's nucleus Elements with higher atomic
What is the purpose of the periodic table? * 1 point To identify atoms in a compound To organize elements based on their atomic number To determine the atomic mass of an element To predict the reactivity of elements
What is the purpose of the periodic table? * 1 point
What is the atomic mass of Boron?
The histories of Kush and Egypt are intertwined with each other because they were reliant on each other. How did their interdependence work, and why did each take control of the other in turn? (4 points)
How were the ancient Egyptians’ advancements in the fields of astronomy and mathematics helpful to farmers? (4 points)
How were Egyptian farmers able to produce enough food to create a surplus? (4 points)
How did the development of hieroglyphics and the invention of papyrus lead to the growth of civilization in Egypt and contribute to the growth of other civilizations?
Use the drop-down menu to complete the sentence.(1 point) Because there was less land to farm in Kush than in Egypt, Choose
Read the story of Horus and Seth. Which sentence explains the significance of this story to ancient Egyptians?
Use the drop-down menu to complete the sentence.(1 point) The soil of the Nile River Valley is best characterized as Choose
What is the correct order of the social structure of ancient Egypt? Place the highest group at the top and the lowest group at the bottom.
Use the drop-down menu to complete the sentence.(1 point) In order to overcome death, Egyptians believed that they needed to Choose
Use the drop-down menu to complete the sentence.(1 point) As Egypt established trade with Kush, the two areas began to develop ___________ , in which they relied on one another for goods and shared ideas. Choose
What were the advantages of establishing Meroë as the new capital of Kush? (1 point) Responses Meroë was located near iron deposits and trade routes. Meroë was located near iron deposits and trade routes. Meroë received less rain and flooding than
Use the drop-down menu to complete the sentence.(1 point) In ancient Egypt, those responsible for using hieroglyphics to record important information and maintain records were called Choose
How did its location help Kush become a powerful kingdom? (1 point) Responses It created competition with the powerful Egyptian kingdom. It created competition with the powerful Egyptian kingdom. It provided a trading link between Africa south of the
How did Hatshepsut change Egypt during her reign as pharaoh? (1 point) Responses She expanded Egypt by engaging in wars of conquest. She expanded Egypt by engaging in wars of conquest. She founded a new dynasty that ruled Egypt for generations. She founded
The purpose of tomb paintings was to Choose
Which effect did continued trade with Egypt have on Kush civilization? (1 point) Responses Kushites adopted many elements of Egyptian culture. Kushites adopted many elements of Egyptian culture. Kushites learned to navigate the Nile River. Kushites learned
Because the Egyptians constructed early forms of glass and mortar for setting bricks, scholars know they were skilled in which science? (1 point) Responses chemisty chemisty astronomy astronomy physics physics anatomy
Which of the following were important achievements of the Kushites? Select the three correct answers. (1 point) Responses the defeat of the Assyrian army the defeat of the Assyrian army the invention of one of the world's first alphabets the invention of
what is the great pharaoh Ramses II known for
only 2 can be chosen
Which of the following is a form of media? (Select all that apply.) (2 points) Responses a brochure distributed to many people a brochure distributed to many people a diary a diary an e-mail to a friend an e-mail to a friend a blog a blog a magazine
Why is media literacy important? (1 point) Responses It is important to know how to read. It is important to know how to read. It allows you to view media with a critical eye. It allows you to view media with a critical eye. It is required for this course.
Multiple Choice What is an example of bias in media? (1 point) Responses a website that presents a controversial opinion as though it were fact a website that presents a controversial opinion as though it were fact a television news program that presents
Anike wrote an article on how to make lentil soup. Which of the following would make the best conclusion to the article? (1 point) Responses Enjoy your soup hot with some bread, or freeze it and save it for a cold day. Enjoy your soup hot with some bread,
A friend asks Samantha to help write a conclusion for her essay. What should Samantha do first?(1 point) Responses Find synonyms for imprecise language in the essay. Find synonyms for imprecise language in the essay. Write the conclusion. Write the
Which of the following statements describes a good conclusion?(1 point) Responses A good conclusion always ends with a question to encourage further reading. A good conclusion always ends with a question to encourage further reading. A good conclusion
