Answer:
mole is equal to 1 moles Potassium Chloride, or 74.5513 grams.
Most likely the second one (sand letting water run through it) because if you are trying to determine how what moves through soil You would want the one the one that can do that:)
Answer:
this atom has nine electrons
Answer:
increasing thirst when cells need water
Explanation:
hope this helps
