What does the word obscure mean in the following sentence venus is covered by thick noxious clouds of sulfuric avid that obscure its surface

Which of the following was a reason why the loss of alsace and lorraine to germany was a major blow to france?

Which of the following are details about the compromise of 1877? election results in a couple of states were in dispute and too close to call. samuel tilden would be given the win in exchange for the removal of federal troops. the presidential election was close between rutherford hayes and ulysses grant. it was agreed troops would leave the south in exchange for a hayes victory.

Due to seriouse dogmatic differences between the orthodox church and the western christian churches, the orthodox xhurch is not in communication with the roman catholic and protestant communities