When you use toothpaste, part of a protist is to smooth and clean your teeth. which part of the protist and type of protist are most likely responsible for this benefit to humans? a. cell walls; plant-like b. flagellum; plant-like c. spores; fungus-like d. cilia; animal-like

Four different thermometers were used to measure the temperature of a sample of pure boiling water. the measurements are recorded in the table below. thermometer temperature reading 1 temperature reading 2 temperature reading 3 w 100.1°c 99.9°c 96.9°c x 100.4°c 102.3°c 101.4°c y 90.0°c 95.2°c 98.6°c z 90.8°c 90.6°c 90.7°c the actual boiling point of pure water is 100.0°c. what can be concluded from the data about the reliability and validity of the thermometers?

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.

The cell membrane controls what enters and leaves the cell. which of the structures in the diagram below is the cell membrane? — f о