| 1. |
lightning |
|||||||
Answer: Option A Explanation: Lightning is produced from a discharge of electricity, so electricity is essential. Thunder and rain are not essential to the production of lightning (choices b and d). Brightness may be a byproduct of lightning, but it is not essential (choice c). |
Each question has an underlined word followed by four answer choices. You will choose the word that is a necessary part of the underlined word.
Post your comments here:
Name *:
Email : (optional)
Your comments will be displayed only after manual approval.