Question 4 (1 point) If 18 grams of oxygen reacts completely with 4 grams of hydrogen, we would expect how many grams of water? A. Less than 22 grams because some mass is lost in the reaction
B. More than 22 grams because the oxygen gains mass during the reaction
C.22 grams because mass cannot be created or destroyed
D. There is no way to tell from this information.

Describe how alleles and genes are related

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

Variety of living organisms; includes genetic, species, and ecological types.