A team of students is performing an experiment to determine how the speed of a reaction between HCL and Na2CO3 changes with
temperature. Which aspect of the experiment does NOT have to be kept constant?

which are post-impressionist paintings? check all that apply?

explanation:

post-impressionism is a predominantly french art movement that developed roughly between 1886 and 1905, from the last impressionist exhibition to the birth of fauvism. post-impressionism emerged as a reaction against impressionists' concern for the naturalistic depiction of light and color.

hope this have a good day

maybe because its impossible for balloons to lift a whole entire house.