Answer:
3
2
Explanation:
3O2 => 2O3
the equation is balancing
Explanation:
The extract of plant is not done in fixed proportion
it is heterogeneous
Active transport is the moving of molecules across the membrane of the cell against the concentration gradient with the use of ATP.
Low to high concentration. Concentration gradient is the diffusion (movement of molecules from regions of low concentration) from high to low with the gradient. Active transport is from low to high, against the gradient.
