What can you determine from the principles of cross-cutting relationships? A. The layers of sediment on the bottom are the oldest. B. Layers that cut across the most other features are youngest. C. In a given region, all layers of sediment form at the same time. D. different types of sediment will not cut across each other.

micro/nanoscale topography surface exhibits many prominent properties and is extensively employed in biomedical device, microfluidic device and energy device fabrication. additionally, the clinical applications of biomaterials can be largely expanded with of nanostructured surfaces.

answer by yourhope:

hi! : )

in which structure in the nucleus are ribosomes made?

b) nucleolus!

: )

not sure if this is what you'r looking for eubacteria and archaebacteria

producers: apple trees, potatoes, carrots, grains, acorns, cabbage, grass, corn, lettuce

consumers: deer, mice, rabbits, chickens, squirrels, horses, worms, cows

predators: eagles, frogs, wolves, owls