Particles or molecules that are too big to fit through regular pores in the cell membrane, or have to big an electric charge, against the current of passive transport ( lower to higher ).
Answer:
true
Explanation:
don't quote me on it but I'm pretty sure it's true
In china they recycle coal to warm the house dueing winter and every person receive an specific amount in the us is common but we use fossil fuels to do everything
Answer:
low energy and slow digestion