Barnacles growing on the back of whale is an example for ________________?
Barnacles growing on the back of whale is an example for ________________?
A. mutualism
B. parasitism
C. amensalism
D. commensalism
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Name the Scientist who stated that matter can be converted into energy?
Name the Scientist who stated that matter can be converted into energy?A. Boyle
B. Einstein
C. Avogadro
D. LavoisierRadon is___________?
Radon is___________?A. germon radio
B. radio active gas
C. artificial fibre
D. an explosiveWho invented the first battery?
Who invented the first battery?A. Alessandro volta
B. Tim Berner
C. Rob Stothard
D. Georges LeclancheThe protein content of edible portion of egg is___________?
The protein content of edible portion of egg is___________?
A. 13 %
B. 13.3%
C. 14 %
D. 14.5%The coldest region of the Earth’s atmosphere is__________?
The coldest region of the Earth’s atmosphere is__________?A. Exosphere
B. Thermosphere
C. Stratopause
D. MesopauseThe top of the mesosphere, called the Mesopause, is the coldest part of Earth’s atmosphere. Temperatures in the upper mesosphere fall as low as −101 °C (172 K; −150 °F), varying according to latitude and season.
The muscles, tissues and blood all are made up of____________?
The muscles, tissues and blood all are made up of____________?A. Carbohydrate
B. Proteins
C. Vitamins
D. Fats