BRAINLYYYYYY

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The amount of one substance in a certain volume of another substance is itsa.concentration.b.coagulation.c.filtration.d.irrigation.Please select the best answer from the choices providedABCDqQuick plz Please help doing a Test Does the number of sides matter when determining the sum of the exterior angles? PLEASE HELP WILL MARK AS BRAINLYEST When lava cools and hardens quickly on the Earth's surface, the rock grains are Question 1 1 pts Regular Preterite verbs: Completen las oraciones con la forma correcta del verbo en el pasado (Preterite tense). Use the accents when needed. Remember that accents go on the "Yo" and " "l, ella, usted" forms- third person singular and plural. 1. Nosotros _______ muchas cosas en el mercado. (comprar) An unstrained horizontal spring has a length of 0.26 m and a spring constant of 180 N/m. Two small charged objects are attached to this spring, one at each end. The charges on the objects have equal magnitudes. Because of these charges, the spring stretches by 0.039 m relative to its unstrained length. Determine (a) the possible algebraic signs and (b) the magnitude of the charges. A cell membrane is allows some materials through the phospholipid bilayer. Materials that are too large need to be transported through a channel proteins embedded in the membrane. These proteins do not use energy to move these particles into and out of the cell. What is the mechanism being described? Determine the Density of a mass = 2000g and volume = 80ml You have read "Jabberwocky" and listened to an audio recording of the poem. Compare and contrast what it was like to read the poem to what it was like to listen to it read aloud. Explain your experience in two to three sentences. The way that the conflict in a story is resolved often reveals the storystheme.climax.plot.setting. During Civil War Reconstruction, new southern legislatures began passing _________________________, intending to preserve slavery as nearly as possible and guarantee a stable labor supply. Which detail from the passage best explains why Paul Revere set up a system of signalsto warn him if the British advanced?"Hancock, the richest man in New England before the war, helped organize andfund the rebellion."B"Gage planned to march out to Lexington and Concord where he would arrestAdams and Hancock and then seize the ammunition."Sam Adams had led the Boston Tea Party.D"General Gage was the commander of the British troops in Boston." Jean writes 75,000,000 in scientific notation as 75 . Explain whether she is correct or incorrect. Each time the carousel runs, 11 childrencan ride it. If 50 children want to ridethe carousel, what is the fewest numberof times that the carousel needs torun?Hellppppp quickkkk its due in a hour 1. 1/2 x 4/7 =2. 2/3 x 1/6= 3. 1/4 divided by 3/8 =please show the answer and the steps u did please Somebody help please What is the solution to the system of equations?5-y=-2x+ 6y=3x +1/-5 Since the fall of the Soviet Union in the early 1990s a[blank] economy has been replaced with a[blank] economy acrosseastern Europe. As a result, Eastern Europe has developed industrially slower than Western Europe Fill in the blanks. A) Capitalist; CommandB) Democracy; CapitalistC) Command; CapitalistD) Communist; Command select all expressions that are equivalent to 5x - 15 - 20x + 10.A. 5x ( 15 + 20x ) + 10B. 5x + -15 + -20x + 10C. 5 ( x-3 - 4x + 2 )D. -5 ( -x + 3 + 4x + -2 )E. -15x - 5F. -5 ( 3x + 1 ) Please ASAP thanksAdd: 1234 + 202