How did the temperature of the water affect the yeast’s ability to perform respiration? What can you infer about the yeast’s basic needs from the effect of temperature on its respiration?

Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet?

Who discovered tuberculosis bacteria?