The chyme then flows through the rest of the small intestine consisting of the and

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion

In the presence of oxygen, glycolysis is followed a. the krebs cycle b. lactic acid fermentation c. alcoholic fermentation d. photosynthesis

Which description shows competition in an environment? an organism that feeds on some food an organism that finds a place to sleep three organisms of the same species living in an area three organisms battling over limited resources