1) Identify 4 stimuli that cause a decrease in the number of producers, consumers, and decomposers living in an area. 2) What could be the effects in relation to the energy pyramid, population, and community of organisms within the environment.

The observations of hooke and van leeuwenhoek documenting the existence of microscopic cells formed the basis of what important theory? a. the cell theory stating that all living things are composed of cellsb. the theory of spontaneous generation, which held that life forms could arise spontaneouslyc. the theory of chemotherapy, or use of antimicrobials to destroy pathogenic organismsd. the germ theory of disease and causative agents

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

A60-tooth gear is connected to a 72-tooth gear. if the smaller gear turns 12 times, how many turns does the larger gear make?