Answer:
the protons become concentrated in the thylakoid space
Answer:
If the two magnets have their two N poles pointing up then when they are side by side they will repel each other but when they are head-to-tail they will attract.
Explanation:
so a positive and a negative will attract
Answer:
Book lungs
Explanation:
The horse shoe crab has a hard outer surface carapace which has the shape of a horse shoe.
It has book lungs which come in 5 sets. The lungs are usually found on the ventral side of the crab.
The book lungs acts as gills which is used in breathing when the horseshoe crab is in water . The book lungs also helps the crab to breathe on land for a certain period of time provided the lungs are moist.
Answer:
Cell walls
Explanation:
Water is not it, as liquids usually serve no supportive value.
Osmotic pressure is, "the pressure that would have to be applied to a pure solvent to prevent it from passing into a given solution by osmosis, often used to express the concentration of the solution." (Google Dictionary)
Cell walls are rigid shells on the outside of most plants which helps them stay rigid.
