Higher order (>3) reactions are rare due to: A. Low probability of simultaneous collision of all the reacting species B. Increases in entropy and activation energy as more molecules are involved. C. Shifting of equilibrium towards reactants energy due to elastic collisions D. Loss of active species on collision.

What type of questions asked from the lesson of magnetic effect of electric current 

Wavelength of green light is

A) 400-450 nm

B) 500-550 nm

C) 660-720 nm

D) 720-800 nm

What is the difference between anaerobic & aerobic respiration? Name some organism that uses the aerobic mode of respiration?

What are the main components of our environment? Explain each of them briefly.

What are examples of hydrotropism plants?