What is the minimum amount of time the body needs to perform physical activity everyday in order to stay healthy?

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

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?