The bar graph you see shows reasons for "desertification" around the world. 1. Define desertification 2. Write a descriptive title for this bar graph 3. What should the X-axis label be? 4. Write a summary of the main lessons to be learned from the graph.

martians or other types of aliens represent a unique fear as opposed to zombies. vampires and other types of monsters.   in most sci-fi stories, aliens come from other worlds and have different or more advanced technology.   abductions and experimentation on human bodies that involve these technologies, or the use of these technologies against human beings and the use of unknown "powers", are a type of fear that's different from that of other types of monsters.  

i believe the answer is a