Three of these processes normally consume oxygen. which process produces oxygen?
a)
combustion
b)
respiration in animals
c)
photosynthesis in plants
d)
operation of an acetylene torch

Scientific evidence is most likely to be consistent if it is based on data from

What was the impact of the concordat of worms?

The images show two species of tree frogs in a particular region. the gray tree frogs are adapted to the trees of the woodlands, while the green tree frogs can survive in woodlands or grasslands. the gray frog was abundant in the woodlands. because of climatic changes, most of the trees in the region died, and the woodlands changed to grasslands. in such a case, the . the gray tree frog is closely related to the green tree frog genetically, but they have different mating calls. this suggests that speciation occurred because of .