What were some of the first instruments that early humans played?
bone flute and drum
wood flute and piano
bamboo flute and zither
stone shaker and xylophone

3.What is the area of a Square with sides measuring 9 inches? The surface temperature ranges from -2C to 31C. Find the difference between the max and min temperatures. In the negative feedback mechanism for hypotension, decreased urine volume would:Question 33 options:increase blood pressuredecrease blood pressurehave no effect on blood pressureIn the negative feedback mechanism for hypertension, increased urine volume would:Question 39 options:have no effect on blood pressureincrease blood pressuredecrease blood pressure A piece of metal is composed of atoms Each atom in the metal contains 29 protons how is the metal classified Llevo mis ____________ en los pies.bastonesanteojos de solbotasnubes In what ways is racism woven into the fabric of American institutions A solution has a pH of 6. What is true about the solution? A. It is a strong basic solution. B. It is a weak acidic solution. C. It is a weak basic solution. D. It is a strong acidic solution.please help me Write an essay that analyzes how a text explains the sequence of events that affected the discovery of the Rosetta stone. why did Antifederalists believe that the Constitution was a threat to liberty? how does the evaporation of ocean water affect the amount of moisture in the airA. Moisture decreasesB. Moisture increases Movement would be an important feature in a photograph of all of the following EXCEPT___________. a bird taking off in flight an athlete jumping hurdles classic cars on display at a show a horse carrying a rider over a jump The reaction between HCl and KOH results in an increase in temperature in the solution. Select the correct statement from the list below.a) this is an endothermic reactionb) this is a phase change reactionc) this is a vaporization reactiond) this is an exothermic reaction Define isotope using mass number, atomic number, number of protons, neutrons and electrons. (PLEASE HURRY!) which term used to describe a cell membrane means that the membrane contains different kinds of molecules?a. bilayerb. mosaicc. phospholipidd. fluid Which products do not have scientific studies supporting their claims to be beneficial when used?A. Cofactors and coenzymes to support enzyme functionB. Lactase enzymes used in milk sugar digestionC. Enzyme that aids in the digestion of oligosaccharidesD. Enzymes to promote immune system function What message/idea is conveyed by the rasa sayang song? Would X-ray waves carry a lot of energy? And do they have a high frequency? 45.52The attendance at a seminar in year 1 was 500. In Year 2, the attendance changed by 100. What was the percent changin attendance?O The percent change was 0.2%.O The percent change was 0.4%.O The percent change was 20%.O The percent change was 40%.Save and ExitNextSubmitMarke this and tu You never have to worry about wastewater becoming contaminated because it can run through local treatment plants, true or false? when did sports start in the world