Which of these caused the united states to become involved in world war i?
a. the german invasion of poland eliminate
b. repeated violation of treaties by japan
c. enemy bombing of american military bases
d. threats to american security made by germany

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.

In this assignment, you will analyze an example of speciation by researching the finches of the galapagos islands. then you will answer questions to construct explanations and draw conclusions based on the information you gather. someone plz !