Why does mantle rock begin to sink back towards the lower mantle from the area closest to the crust?
(Science/Plate Tectonic Movement)

please help 20 points solve for a, geometry work Given that 2 x 2 y = 23 Find x when y = 9 Give your answer as an improper fraction in its simplest form PLEASE HURRY IM RUNNING OUT OF TIME ON MY TESTGIVING 50 POINTS Which statement BEST explains why the percentage of union membership in nonagricultural jobs today is lower than it was in the mid-1940s?A.Waves of recent strikes and economic hardships have caused growing anti-union feelings.B.Mediation and arbitration have reduced the need for picket lines and active striking by union members, resulting in decreased interest and awareness of unions.C.The risk of losing ones job due to union membership is too great of a risk in unstable economic times.D.The vast improvements already made have reduced the incentive to push for change. Choose the answer that fits with the statement below.Amazon River: Argentinasydney please helpPeruAntarcticaBrazil Rewrite 10x - 5y = -30 in slope-intercept form. somebody help me wit dis A patient with a family history of cholesterol deposits in the arteries asks her doctor for a recommended vitamin. Which of these vitamins is the doctor likely to recommend?vitamin Dvitamin Cvitamin Bvitamin F Please help me now please I WILL GUVE BRAINIEST!!! Make questions out of these statements by unerring the word order. first, spot the subject & the verb. Second, invert the order. How did learning advance in ancient Egypt? A farmer sells 8.9 kilograms of pears and apples at the farmer's market. 1 4 of this weight is pears, and the rest is apples. How many kilograms of apples did she sell at the farmer's market? Is the number of total molecules on the left side of a balanced equation always equal to the number of total molecules on the right side of the equation PLEASE ANSWER WELL COUNTS AS A BIG GRADE every day, andrews orange juice stand uses 2 bags of oranges. How many days with 2/3 of a bag of oranges last? Use your knowledge about the advantages of international trade to complete eachInternational tradeeconomic growthInternational tradethe specialization of goods.International tradethe types of goods and services available around Q2: Which of the following is capitalized correctly? *O "That leopard," We were informed, "Is a snow leopard."O "That leopard," we were informed, "is a snow leopard."O "That leopard," We were informed, "is a snow leopard."O"That leopard," we were informed, "Is a snow leopard. Melinda is trying to balance her checkbook. The latest statement from the bank reports that the balance in her account is $763.53. However, the balance in Melinda's checkbook is $985.21. Round each number to the nearest hundred and choose the best estimate of the difference between these two dollar amounts. To do a works cited list properly, it shouldO include all of the sources used in the essay.O include the URL of any websites used in research.O never include an item if it has an unknown source.O include the titles of the sources in alphabetical order. Easy questionIn 1990 Harry was 9 years. How old will Harry be in the year 2021 Could someone check if this is in the right figurative language column? Marking brainliest For correct answer!