How are standing crop and biomass related to each other?

An electron and alpha particle have the same de-Broglie wavelength associated with them. How are their kinetic energies related to each other?

Explain standing crop?

In what ways the directions of the electric and magnetic field vectors representing an electromagnetic waves related to each other?

How are photosynthesis and respiration related to each other?

What are different units of force and how are these related to each other?

How are the inertial and gravitational mass of a body related to each other?

An electron and alpha particle have same debrogile wavelength associated with them. How are their kinetic energy related to each other?

Standing crop refers to