Which characteristic of four different dinosaur fossils makes a dinosaur most similar to the present-day birds? a) flexible wrist b) flapping ability < -- *i chose this answer c) flight feathers d) primitive feathers

How does the release of trapped gases in magma cause a volcano to erupt? a. they push the magma up the pipe and then are reabsorbed into the magma chamber. b. they cause the magma to change chemically into lava. c. the gases form vents that allow the magma to flow out. d. the gases rush out and carry the magma with them.

As a small change in a person's dna can cause a genetic disorder

Agenus is a taxonomic grouping that identifies a collection of species. when a scientist discovers a new species, how is this species assigned to a genus