1 point
Nitrogen is a limiting nutrient for many food webs because the element is
relatively rare.
O
True
False

What do science, technology, and disease have to do with each other?

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

In which situations is the principle of cross-cutting relationship useful in determining relative age?