Which of the following shows a physical change? a. h2(g)+o2(g)=h2o(l) b. 2ch3oh(l)+3o2(g)=2co2(g)+4h2o(l) c. nacl(s)=nacl(aq) d. 2agno3(aq)+cabr2(aq)=2agbr(s)+ca(no 3)2(aq(

If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c.vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false