What are the major types of physical evidence for climate change? global

Has anyone read the book "politisk tenkning" by raino malnes and knot midgaard? if so, can you tell me what can i write on my eassay about it? some thesis ori need to write 1500 !

What was the main purpose of one of the first world organizations

Dr. redbull conducts a study to determine whether her new energy drink children perform better on spelling tests. she randomly assigns children to one of two groups: group 1 receives her energy drink and group 2 receives water. she then gives both groups a spelling test and compares the results. which of the following is true about this study? a. group 1 is the dependent variable and group 2 is the independent variable. b. this is a correlational study. c. group 2 is the experimental group. d. the independent variable is the type of drink the children receive.