Which is the central element for all living things?

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

Wich of the following are manual restraint techniques for dogs