What occurs every 10 years in the US? Why?

What is the double bond? 10 and 12 !!! please help What is the net force acting on a 52 kg object that has a velocity of 8.0 m/s and is moving in a circle of radius 1.6 m? a. 4000N b. 20880N c. 2500N d. 3500N Which expression is equivalent to 8-(6r+2)?-6r+62r+26r+10-6r+10please answer with the correct answer Which of the following explains the cellular function of a ribosome?AIt is associated with attaching to the plasma membrane in active transport.BIt is directly involved in the bonding of amino acids to synthesize proteins.It is associated with microtubules and microfilaments to move organelles.DIt is directly involved in the storage of energy by converting ADP to ATP. Help me pleaseeee!!! define default economics. ill mark brainlist plss help The yellow ribbon.We can infer that the young people were going to FloridaA. on business.B. to visit relatives.C. on vacation.D. to get married. HeLPChoose the word that correctly completes the analogy.Dissolve: disbandA.build:deconstructB.create:constructC.sing:whisperPlease hurry I'm trying to finish the last three questions to my exam! A rectangular prism is filled with 356 cubes with an edge length of 1/4 what is the volume of this prism A large chocolate bunny costs $2.07. Chris only has $1.12. How much more money does Chris need in order to buy the bunny? Show work A circular pond has a circumference of about C feet. The diameter of the pond is 7 feet. Which expression best represents the value of pi? what is the Term for an animal that spreads diseases It is put into place by an outsider by force.It often does not respect cultural differences.It is created after a population has settled in an areaa) a relic boundary b) a physical boundary c) a subsequent boundary d) a superimposed boundary can i use purified water for my aquarium? Isotopes are atoms of the same element that have different O principal chemical properties, masses. O numbers of protons, O numbers of electrons. What happens in winterwhen it is very coldand you breath out againstta cold windowpane? Whydoes this happene? What is a unwanted change in the environment caused by substances or from of energy?? what is seven squared as an exponetial expression