Which of the following equations is balanced? A) 2 Fe2O3 + 3 C →
3 CO2 + 2 Fe
B) CH4 + O2
CO2 + 2 H20
C) Cu + 4 HNO3 → Cu(NO3)2 + 4 NO2 + 2 H2O
D) 4 NH3 + 3 O2 → 2 N2 + 6 H2O

Which of the following is an advantage of solar 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

Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? active diffusion isotonic osmosis