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A arcadiavalleyk5.agilixbuzz. com/student/148664054/activity/HUAR Y
Sound and Light Lesson Exam
5 A Science / Module 5
3. Which statements correctly describe sound? (Select all that apply.)
Sound waves behave in predictable ways.
All sound requires a medium through which to travel.
All sound can be heard by human ears.
Sound waves are compression waves that transfer energy in molecules.

explanation: well the force of an object when it lands sitting on the ground isthe force of a wide rage of situations crucial to physics? ; ( i 'm trying my best to alot but im not smart enofe you for giving me this chance though! 3(

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them  

the formula mass of a molecule or a compound is the sum of the atomic weights of the atoms in its empirical formula

(that's what i know about formula mass)