In a compression or longitudinal wave, the particles of the medium are displaced in a direction to the direction of energy transport. a) parallel b) opposite c) perpendicular d) at right angles

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 food could be transported in a galvanized metal container?

Explain why biological control methods are generally environmentally superior to chemical pest control methods.