Which of the following is relatively constant in an ecosystem? more than one answer may be correct! a. number of organisms b. amount of matter c. number of species

How can you approximate the number of calories required to keep you in energy balance?

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

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?