Answer:
Thousands of children were victims of the civil war in Sudan in the late 1980s. Large groups of them were orphaned or separated from their families and moved to refugee camps. Of the 4,000 children eventually relocated to the United States, fewer than 100 were girls
Intrinsic motivation is a motivation "from inside", with internal, rather than external awards.
Three of the things you mentioned have an external reward: the 500 Dollar prize( first option), the credit (third) and the hope of winning a blue ribbon (the last).
Only the second one has an intrinsic motivation: that you will be happy about performing this song (feeling proud of yourself, etc).
Answer:
b) Indefinite article (an)
Explanation:
'A' and 'An' are recognized as the two indefinite articles as these are invariable and employed only with a singular noun. It is used to denote something for the first time or refer to a specific person or a member of a group or class. <em>Since the given sentence has usage of "an" which is used here to specify the distinction between an "unattractive environment" and an "attractive environment". Thus, the above definition is being justified so, it could be treated as an indefinite article.</em>
