Four waves have different wavelengths and frequencies. Which statement is true A- the wave with the greatest frequency will be the most powerful wave
B- all waves have to mechanical
C- the wave with the lowest frequency will be the most powerful wave
D- none of the above

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?

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?

Which of the following is one way in which organisms such as clown fish and sea turtles are able to overcome the many dangers that their offspring encounter and ensure that their species population numbers stay relatively steady