Sharpening a pencil, cutting a piece of paper and folding the piece of paper are examples of... A. chemical change
B. physical change

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

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?

You see a white marker with an orange circle and black lettering. what does this marker tell you