Alzheimer’s disease in human beings is characterized by the degeneration of _______
The protein content in wheat is approximately_______________
Average salinity or ratio of salt as per kilogram of water of ocean is__________
Sum of all ecosystems is classified as___________
Pedosphere is sum of_____________
Ice mass that covers more than fifty_thousand square kilometers of land area is classified as____________
Evaporation from ice and snow is known as___________
What is the name of the central part of the earth
The rocks formed out of layers of sediment bonded together are known as _______________
Hydrogen peroxide (H2O2)______________