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Questions (234)
SOMEONE PLEASE HELP ME ASAP I'm stuck on a question from my Literature Test
I have to choose either a short story or a poem that
9 answers
45 views
Use the passage to answer the question.
Read the table below. Cause Effect Some people believe the Maori came from the Cook
1 answer
72 views
A river delta forms at the mouth of a river where it enters a larger body of water. Usually the delta is shaped like a triangle.
1 answer
114 views
Which is the most correct order of the theorized evolution of life on Earth? (1 point)
Cyanobacteria produced oxygen,
1 answer
192 views
Students performed an experiment to observe how water interacts with the rock cycle. The diagram here shows the before, during,
1 answer
143 views
How do weathering and erosion differ? (1 point) Weathering involves the transportation of weathered materials, while erosion
1 answer
80 views
Why is the Plate Tectonic Theory accepted today over the Continental Drift Theory? (1 point)
The continents nor the plates truly
1 answer
89 views
Why is the Plate Tectonic Theory accepted today over the Continental Drift Theory? (1 point) The continents nor the plates truly
1 answer
104 views
The Continental Crust, Oceanic Crust and very top of Earth's mantle make up a hard surface that breaks into tectonic plates.
1 answer
186 views
Where might we find the oldest rock on Earth? (1 point)
Othe center of continents Othe center of the ocean floor O the highest
1 answer
59 views
What is the importance of Seafloor Spreading to the Theory of Plate Te
Where coal deposits have been found connect to other
1 answer
80 views
Which statement INCORRECTLY describes the type of physical change in a mineral: (1 point)
Fractures in a mineral are geometrical
1 answer
187 views
Which statement INCORRECTLY describes the type of physical change in a mineral: (1 point) Cleavage in a mineral breaks along
1 answer
117 views
Mohorovicic observed that earthquake waves were moving faster when recorded farther away than 200 km from where the earthquake
1 answer
214 views
Mohorovicic observed that earthquake waves were moving faster when recorded farther away than 200 km from where the earthquake
1 answer
161 views
Determine which characterisitics produce metamorphic rock vs sedimentary (1 point)
Heat and pressure Sedimentary Metamorphic
1 answer
122 views
Determine which characterisitics produce metamorphic rock vs sedimentary (1 point)
Heat and pressure True False
1 answer
77 views
Determine which characterisitics produce metamorphic rock vs sedimentary (1 point)
1 answer
77 views
Which of the following CORRECTLY describe Nuclear Fussion: (1 point) when 2 or more atoms slam together to fuse and create a
1 answer
220 views
Dark matter makes up the majority of matter in the galaxy
True False
1 answer
45 views
Cooling of the universe as it expands from a dense singularity
True False
1 answer
42 views
Blue shift of light from luminous objecta moving towards observer
True Flase
1 answer
51 views
Cosmic microwave background radiations uniform temperature
True False
1 answer
68 views
Which statements are true and support the Big Bang Theory: (1 point)
Red Shift of light from galaxies as they move further apart
1 answer
108 views
Cosmic Microwave Background's uniform temperature 7is evidence that supports the idea that radiation is a remnant of the Big
1 answer
173 views
How does the change in the temperature of the universe provide evidence for universe expansion that supports the Big Bang
1 answer
182 views
What component makes up the bulk of most galaxies? (1 point)
Dark Matter O Gas Stars Dust
1 answer
72 views
What is the main challenge astronomers face when trying to directly detect black holes? (1 point)
1 answer
78 views
Which event triggers the start of black hole formation? (1 point) A small to medium mass star explodes as a supernova. The
1 answer
186 views
Which of these describes a nebula? (1 point)
star close in size to the sun O cloud of gravity and pressure O cloud of gas and
1 answer
90 views
Which does Kepler's first law state about the orbits of planets in our solar system? (1 point) The major axis is the same length
1 answer
88 views
The mass of an object decreases by one-half. What happens to the gravitational force between the object and a second object
1 answer
51 views
According to Kepler's second law, which factor is constant as a line between a planet and the sun sweeps out two equal areas at
1 answer
160 views
Which is a correct statement about Aristotle's and Ptolemy's models of the solar system? (1 point) Ptolemy's model involved
1 answer
232 views
Solve by finding a common denominator.
3 2/3 + 3 1/2
1 answer
75 views
Blueshift is observed when
* 1 point a luminous object travels alongside an observer a distant luminous object travels rapidly
1 answer
120 views
Lesson 5 Unit 6
Starting a New Job Unit Test Assume that you have been newly hired to a great company and you would like to keep
0 answers
801 views
Write an expression that represents the sum of 5 consecutive odd intergers
1 answer
369 views
What do we call the first ten amendments of the constitution?
1. C. Bill of rights 2. D. We the people 3. A. The president 4. C
4 answers
1,472 views
What do we call the first ten amendments?
C. Bill of rights The idea of self government is in the first three words of the
0 answers
340 views
In the third stanza of the poem, which lines rhyme?
2 answers
1,190 views
Six times the sum of a number and 16 is at most 27.
Use the variable y for the unknown number.
1 answer
1,252 views
1. What caused the settlement of African Americans in the Mississippi Alluvial Plain region than in the Ozark Mountains region.
S
11 answers
4,010 views
How do i solve this problem?
Find the polar form of the complex number where the argument satisfies 0≤θ≤2π. 0+3i
3 answers
684 views
A playground is on the flat roof of a city school, hb = 5.70 m above the street below (see figure). The vertical wall of the
2 answers
1,162 views
Using only one "System.out.print" command, print the following quote. Make sure to include the quote marks (") in your output.
"I
0 answers
705 views
Emilio has 8450 trees to plant in rows on his tree farm he will plant 125 trees per row how many full rows of trees will he have
2 answers
773 views
Why did the United States become involved in Mexico's civil war? Select all that apply.
1)Relations had weakened between the
6 answers
2,223 views
I have to write a essay and I don't know how to lengthen the rough draft could someone please give me tips?
Here's my rough draft
2 answers
1,269 views
I need helppp D:
---------------- Simplify the expression -4-5(x+8) *-5x-44 *-5x+36 *-x-8 *-20x+8 5x+6(x-2)-8(x-3) *19x+36
1 answer
1,253 views
If the relative change between the original price and the new price is 30% decrease, then the new price is ________% of the
1 answer
439 views
A rectangular piece of fabric measures 37 by 45 inches. A triangular scarf with a height of 21 inches and a base of 25 inches is
3 answers
995 views
1.
What value for x makes the sentence true? 7x = 1 0 6 3 2
6 answers
645 views
The number p is the product of three different positive prime numbers greater than 2.If the sum of these three prime number is
1 answer
1,036 views
Find the position s as a function of time t from the given velocity v=ds/dv. Then evaluate the constant of integration so that s
1 answer
687 views
A horizontal force F pulls a mass m across the floor at constant speed a distance d. If the coefficient of friction between box
1 answer
567 views
An elevator weighing 2000 kg falls with a downward acceleration of magnitude (1/2)g . What is the tension in the supporting
0 answers
448 views
A car traveling 100 km/h is 200m away from a truck traveling 50 km/h (in the same direction). Assuming constant braking
2 answers
710 views
Let say 5m x 5m, I know the answer is 25 m^2, but let say it was 25m / 5m, what would the answer be? I know it 5 but what the
1 answer
406 views
The problem is 150 - 1 - 0.182
Since the least sig. fig. is 1 would the answer be 1 x 10^3 ?Thanks
2 answers
467 views
The problem I have to solve is log with base 2 ^6 multiply by log base 6 ^ 8.
I use the change of base formula and got log6/log2
1 answer
1,042 views
So I did a lab that consist of baking cookies and the mass of the final products isn't equal to the ingredients used. Could
1 answer
478 views
Find the polar coordinate of the following.
(0,-6) I know r = sq.root of 6 but tan theta = -6/0 doesn't exist so how will I find
0 answers
367 views
Find the enthalpy for : 4Fe + 3O2 = 2Fe2O3
I got the following informations: Fe + 3H2O = Fe(OH)3 + 3/2H2 - Enthalpy is 160.9 kj
1 answer
2,498 views
Name the compounds
CH3CH2CHCH2CH3 - Is this 3-Pentane? Thanks
2 answers
453 views
How much water must be added to 6 mL of a 0.05M stock solution to diltue it to 0.02M ?
The answerI got is 15 mL. Is this correct?
1 answer
1,079 views
Is 2Cos x the same thing as Cos^2 x?
Thanks
1 answer
398 views
Verify the identities.
Cos^2x - sin^2x = 2cos^2x - 1 When verifying identities, can I work on both side? Ex. 1 - sin^2x - sin^2x
1 answer
651 views
If 3.21 mol of a gas occupies 56.2 L at 44*C and 793 torr, 5.29 mol of this gas occupies __________ L under these conditions.
.
5 answers
5,235 views
Does mass affect pressure? I understand volume, and temperature does but not sure about mass. If I have a gas with mass 15 g,
0 answers
482 views
Calculate the grams of oxygen gas present in 2.5 L sample kept at 1.66 atm pressure and a temperature of 10 C.
- I got 5.72 grams
0 answers
699 views
The temperature of oxygen is 810 torr at 298 K , what will the pressure be at 330 K?
Using Lussac's Law, would the answer be
4 answers
619 views
Determine the volume of methane CH4 gas needed to react completely with 0.660 L of 02 to form methanol CH3OH
I'm confused because
7 answers
1,387 views
Do elements with higher masses always have lower average velocity than those elements with a low mass? Thanks
1 answer
390 views
I had to find the root mean square velocity of a gas using the only formula KE=1/2MV^2 . Is this even possible using only this
4 answers
626 views
I had to find the root mean square velocity of a gas using the only formula KE=1/2MV^2 . Is this even possible using only this
0 answers
417 views
Water has an extremely high boiling point compared to other compounds of similar molar mass because of ?
Hydrogen Bond Adhesive
2 answers
1,304 views
tan4.7 * cot4.7
I understand tan4.7 = 1/ cot 4.7 but I'm stuck after this thanks.
2 answers
1,908 views
What are the attractive forces that increase surface tension?
-Would it be cohension and adhension? Thanks
2 answers
644 views
How would I solve this part of the Fibonacci sequence piecewise function?
f(n) = f(n-1)+f(n-2) if n > 1. Thanks
6 answers
860 views
4Fe + 3O2 = 2Fe2O3
So in math book it say " You can interpret this equation in terms of representative particles by saying that
1 answer
1,513 views
I need to write a balance equation of the decomposition of aluminum carbonate.
I know the starting "reactant" is Al2(CO3)3 but
1 answer
2,695 views
Is there a present and past tense of "is" and "are" ? Or it is just how they're used in the sentence that make them past/present
2 answers
504 views
If I have 50 mL of Lead(II) Nitrate, it is possible for me to calculate how many mole is 1 mL of the substance? Thanks
0 answers
306 views
Because the mass of the reactants equal to the mass of the product of a reaction, the number of moles will be conserved.
-I think
1 answer
1,404 views
Solve the piece wise function when f(17)
f(x) = f(x-3)+2 if x > 10 -5 if x <= 10 Would the answer be 1? Thanks
5 answers
422 views
A mole of a pure substance contains 6.02x10^23 atoms. Alway true, sometime true or never true?
-I was thinking sometime true
1 answer
1,068 views
If 25 grams of copper(II) sulfate pentahydrate were heated until all water was removed, how much residue would remain?- Could
3 answers
988 views
Is there a chemical formula for animal fats? - Would the lipids chemical formula be the same as animal fats? Thanks
3 answers
534 views
I did a lab that involve cooking meat and finding the mass of lipids, meat tissue and water.
For a chicken sample the original
3 answers
483 views
The problem ask what is the mass of iron(iii) chloride contains 2.35 x 10^23 chloride ions.
I understand the molar mass is 162.20
3 answers
5,633 views
How many moles of ion are in the following?
A. 0.0200 g AgNO3 - Could someone give me the step to solve such problems? Thanks
7 answers
3,415 views
Is this true or false? Thanks
A mole of CCl4 is composed of one atom of carbon and four atoms of chlorine. I put false because it
2 answers
1,237 views
Let say Pb(NO3)2 combine with FeCl3, would this yield PbCl + Fe(NO2)3? Thanks
3 answers
949 views
I'm currently doing a project and need a physical object to represent "racism". Anyone have a suggestion of such item? Thanks
2 answers
998 views
The metric ton of CO2 product per gallons of gas can be calculated with the following.
8.78 x 10-3 metric tons of CO2 are emitted
2 answers
1,002 views
Let say you were given this equation:
NiBr2 + Co = Ni + CoBr2 How can you tell which is liquid,gas,solid,aqueous? Do you just use
1 answer
1,074 views
I need to write the total ionic equation for this equation.
Copper(ii)sulfate + iron = iron(iii)+ copper. Won't it be Cu2+ +
3 answers
1,017 views
H2O2 + Heat = H2O + O2
Would this be combustion or decomposition? Since the products are H2O and O2, I thought it would be
5 answers
891 views
Could anyone link or tell me why does oxygen ignite at high temperature? Thanks
1 answer
327 views
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