Within a single use of the scientific method, which of the following steps can only be performed after data is collected? a. conclusions are drawn. b. controls and variables are chosen. c. the initial hypothesis is formed. d. the initial experiment is designed.

What best describes lactic acid fermentation?

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a. an ionic bond is formed between the oxygen and carbon atoms. b. four valence electrons are shared. c. two valence electrons are shared. d. valence electrons are shared between oxygen atoms.

If you relate the doppler effect on sound to the color of light waves, a police car would be the color as it approaches and the color as it recedes away from the observer.