Which of the following is not a reason why famine may occur?
drought
insect infestation of crops
use of fertilizers
war

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

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?