Draw circles around the reactants that are oxidized and squares around those that are reduced for the same items below 1) 2 KNO3 → 2KNO2 + O2

2) H2 + Cu O → Cu + H2O

3) NaOH + HCl → NaCl + H2O

4) H2 + Cl2 → 2 HCl

5) SO3 + H2O → H2SO4

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

Is of of 3- ? a. 1--3- b. 1--2- c. 1--3- d. of

Select the correct answer. why are scientific models important in the study of science? a. they always involve critical mathematical calculations. b. they scientists understand complex ideas and objects that aren’t easy to handle. c. they enable scientists to popularize their work in society. d. they are required when conducting any peer review process. e. they are necessary for turning a hypothesis into a law.