A. sandstone
B. coal
C. granite
D. graphite
Correct Answer:
Option B – coal
Which of the following types of rock is a source of energy?
![In which of the following transitions is the largest quantum of energy liberated by an hydrogen atom when the electron changes energy levels? [n is the quantum number]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "In which of the following transitions is the largest quantum of energy liberated by an hydrogen atom when the electron changes energy levels? [n is the quantum number]")
Products
-
Performance Evaluation
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Recruitment and Sources of External Recruitment
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Training Methods and Planning
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Student Personnel Services To Public Schools
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.
-
Strategies To Manage Administrative Workload
Original price was: ₦1,000.00.₦300.00Current price is: ₦300.00.