The lymph vessels have a structure within that keeps the lymph moving in one direction and prevents backflow, this structure is called a
A. door
B. valve
C. closing
D. gate

What has it felt like to consider your own stereotyping views of people A box contains 1 3/4 Pasta how many ounces of pasta are in the box The __________ molecule is known as the universal energy source of the cell. *1 pointCaptionless ImageAMPATPGTPNADH Which system of linear inequalities is represented by thegraph?O y > x-2 and x- 2y < 4O y > + 2 and x + 2y < 4Oy>X-2 and x+ 2y < 4Oy>x-2 and x +2y help is science, if you don't know the answer just don't put anything /: You pay $18.00 for 30 text messages. At the same rate, how much would 12 text messages cost? * 5x + 10 > 15?solve 3.2 geometry worksheet The question is in picture Need ASAP pls & thanks What enlightened ideas about government inspired the American Revolution? Givens: AD is the perpendicular bisector of segment BC AB = 7x+1 AC = 8x-6 BC = 3x + 9 Find: BD Which of the following supported the beliefs of the South? Choose ALL that applyA. low tariffs would help their economyB. states had the right to rule themselvesC. their economy was based on agriculture and therefore they supportedthe use of slave laborD. high tariffs would help their economy Whats the answer please i need help with this one (T_T) 27. The compound having only primary hydrogen atoms is ( ).(A) isobutene(B) 2,3-dimethylbutene(C) cyclohexane(D) propyne Chapter 19: Diesel Engine Operation and Diagnosis -Chapter Quiz1. How is diesel fuel ignited in a warm diesel engine?A. Glow plugsB. Heat compressionC. Spark plugsD. Distributor-less ignition system2. Which type of diesel injection produces less noise?A. Indirect injection (IDI)B. Common railC. Direct injection D. Distributor injection3. Which diesel injection system requires the use of a glow plug?A. Indirect injection (IDI)B. High pressure common railC. Direct injectionD. Distributor injection4. The three phases of diesel ignition include _______________________.A. Glow plug ignition, fast burn, slow burnB. Slow burn, fast burn, slow burnC. Ignition delay, repaid combustion, controlled combustionD. Glow plug ignition, ignition delay, controlled combustion5. What fuel system component is used in a vehicle equipped with a diesel engine that is seldom used on the same vehicle when it is equipped with a gasoline engine?A. Fuel filterB. Fuel supply lineC. Fuel return line D. Water-fuel separator6. The diesel injection pump is usually driven by a _________________.A. Gear off the camshaftB. Belt off the crankshaftC. Shaft drive off of the crankshaftD. Chain drive off of the camshaft7. Which diesel system supplies high-pressure diesel fuel to all the injectors all of the time?A. Distributor B. InlineC. High-pressure common railD. Rotary8. Glow plugs should have high resistance when _____________and lower resistance when __________________.A. Cold/warmB. Warm/coldC. Wet/dryD. Dry/wet9. Technician A says that glow plugs are used to help start a diesel engine and are shut off as soon as the engine starts. Technician B says that the glow plugs are turned off as soon as a flame is detected in the combustion chamber. Which Technician is correct? A. Technician A onlyB. Technician B onlyC. Both Technicians A and BD. Neither Technicians A NOR B10. What part should be removed to test cylinder compression on a diesel engine?A. An injectorB. An intake valve rocker arm and studC. An exhaust valveD. A glow plug The right rectangular prism below has a square base?Select yes or no. Net sales for the year were $325,000 and cost of goods sold was $240,500 for the companys existing products. A new product is presently under development and has an expected selling price of $40 per unit in order to remain competitive with similar products in the marketplace. The dollar amount of gross profit and the gross profit ratio for the year were:_______a. $324,000 and 100%, respectively.b. $84,500 and 26%, respectively.c. $240,500 and 74%, respectively.d. $83,500 and 74%, respectively. If you put a piece of zinc into a solution of copper (I) sulfate and allow the single replacement reaction to go to completion, how will you know which of the reactants is the limiting reactant? Write the balanced equation, including the states of matter of the reactants and products, to help support your answer.