Answer:
A nonconformity occurs where layers of sedimentary rock are deposited over eroded layers of igneous or metamorphic rocks.
Explanation:
geotropism
seismonasty
phototropism
Electromagnetic forces are only attractive but gravitational forces are both attractive and repulsive.
Gravitational forces are only repulsive but electromagnetic forces are both attractive and repulsive.
Gravitational forces are only attractive but electromagnetic forces are both attractive and repulsive.
Answer:
many alveoli are present in the lungs with a shape that further increases surface area. Thin walls - alveolar walls are one cell thick providing gases with a short diffusion distance. Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface.
Explanation: