What are some potential impacts to organisms during a global warming event?

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

The air that we breath is made mostly of which gaseous molecule

Why is no-till farming more sustainable than many traditional methods of farming