A. Prevent global warming
B. Filter out ultraviolet rays
C. Absorb pollution
D. All of the above
A. Heating
B. Beating
C. Artificial nuclear radioactivity
D. Chemical reaction
A. Jabar bin Hayyan
B. Zakariya Al – Razi
C. Abu Ali Sina
D. Abdul Qasim Majreeti
A. Silicon
B. Radium
C. Aluminum
D. Carbon
A. Cotton
B. Poplar
C. Bagasse
D. Rice straw
A. 80%
B. 95%
C. 70%
D. 85%
A. Russia
B. Belarus
C. Sweden
D. Italy
Submitted by: Sajjad Hussain Rattar
A. Joe Biden
B. Malala Yousafzai
C. Georgia Meloni
D. Angela Markel
Submitted by: Sajjad Hussain Rattar
A. Paraguay
B. Japan
C. Spain
D. China
Submitted by: Sajjad Hussain Rattar
A. 92 U 235
B. 92 U 234
C. 92 U 233
D. 92 U 238