Table salt when in water dissociates into sodium and chloride ions. Water can dissolve salt<span> because the positive part of </span>water<span> molecules attracts the negative chloride ions and the negative part of </span>water<span> molecules attracts the positive sodium ions. Hope this helps.</span>
<span>Two types of processes that contribute to the formation of the proton gradient are 1) </span>processes that release H+ from compounds that contain hydrogen, and; 2) processes that transport H+ across the thylakoid membrane.
Mercury's seasons are difficult to determine. This is because it has virtually no tilt (0.03 degrees), but a highly elliptic orbit. ... Mercury also has a bizarre rotation, spinning three times (every 53 Earth days) over two rotations around the Sun, making it impossible to tell when one season begins and one ends.
Answer:
its called a membrane
Explanation:
its kind of like a cell wall
Prophase 1 of meiosis <span>relative to the number of chromosomes of a given species, accounts for a significant amount of genetic variation in gametes.</span>