Mid-ocean ridges extend to all of Earth's oceans. Mid-ocean ridges lie under thousands of meters of water. Mid-ocean ridges spread additional crust on the ocean floor. I'm not sure about the the remaining statement but I know for sure that these three statements are true.
Sanitation and Hygiene (WASH) structures in many sites due to strong winds and rains.
Explanation:
The anatomy of sponge which causes water to flow through it is the poriferan ventilation general anatomy.
Sponges do not have nerves or muscles and they do not move their only way which is relying on water flow in order to remove movement of sperm, remove gas exchange, remove wastes, and bringing food.
Because of architecture of sponge and action of choanocytes then the flow of water is being utilized efficiently by the sponge.
Water flows to spongocoel and to sponge through small openings which are found in the sponge, and out of sponge through Osculum which are the large openings.
Izohipse su linije koje spajaju tacke sa istom nadmorskom visinom, a izobate su linije koje spajaju tacke sa istom dubinom u morima ili jezerima... a ako mislis na izobare to su linije koje spajaju tacke sa istim vazdusnim pritiskom na planeti Zemlji
The answer is continential drift
