Jerry is planning a scientific investigation to test an idea he has about how the growth of a pen plant is affected by soil temperature, Which step should he do first?
Form the condusion,
Plan the experiment,
Create the hypothesis,
Conduct the experiment,

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)

2-bromo-2-methylbutane undergoes an e1 elimination reaction in the presence of ethanol. in the next reaction only one of the possible products is represented. although the product shown is not the major product of the reaction, notice that there is more than one way it can be produced. complete the mechanism and draw the missing substances.