The sum of the exponents of the concentration terms of the reactants in the rate expression of the reaction is the definition of:
A. Rate of reaction
B. Order of reaction
C. Rate constant
D. Rate law
Atmosphere is made up of percent of nitrogen.
A. 76
B. 77
C. 78
D. 80
Explanation: The atmosphere is made up of approximately 78 percent nitrogen. Nitrogen is the most abundant gas in the Earth's atmosphere, followed by oxygen, which makes up about 21 percent. The remaining one percent consists of various trace gases such as carbon dioxide, argon, and others.
Loss of top fertile soil by cutting forests and clearing land for agriculture is termed as:
A. Soil erosion
B. Deforestation
C. Afforestation
D. Soil depletion
The transfer of energy from producers to consumers and finally decomposers release this energy by decomposing the organism the process is named as:
A. Energy change
B. Energy cycle
C. Food cycle
D. Water Cycle
PAKISTAN STUDIES
According to Muhammad Ali Bogra Formula, the ______ seats of National Assembly of Pakistan were equally divided between the east and west wings of the country.
A. 300
B. 350
C. 400
D. 450
