A photographer wants to share her photos with people in other parts of the world.
What are two reasons the photographer would choose a digital signal rather
than an analog signal to share the photos?
A. The digital signal is less vulnerable to noise and more likely to
arrive intact.
B. The digital signal can be copied many times without losing
quality.
C. The digital signal moves gradually between an infinite number of
values.
D. The digital signal could easily lose information because of noise
over long distances.

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards.the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called