<span>Experiments in which all variables are identical except for one are called controlled experiments. This where an observer tests his hypothesis by looking on changes that were brought about by one variable. The results are always dependent on one adjusted variable.</span>
Answer:
Sir Edward Burnett Tylor was an English anthropologist,the founder of cultural anthropology.
Which of the substances listed are elements? *6 pointsS, Fe, O2, Sr, and AlS, O2, and LiFN2O4, O2, and LiFN2O4, Fe, Sr, and Al
irakobra [83]
Answer:
Fe, Sr, Al
Explanation:
O2 is a diatomic
AlS and LiFN2O4 are polyatomic ions.
