I think its a and b, but i dont know what kind of rock it is. my guess is a metamorphic or sedimentary.
A) is a mussel
b) is a bone
The answer is b
But I need to make this answer longer so it will be AT LEAST 20 CHARACTERS LONG!!!!!,
The correct answer is <em></em>ii.
The pharyngotympanic tube or else eustachian tube is a structure of the middle ear, which connects the nasopharynx with the middle ear. The function of this structure is to equalize the pressure and drain the mucus produced by the middle ear.
Answer:
Killer Whales. When you think of top ocean predators, you probably think of sharks.
Great White Shark. They can smell a single drop of blood floating in 10 billion drops of water.
Polar Bears. Although polar bears are land mammals, they spend much of their life at sea.
Leopard Seals.
Sea Lions.
Explanation:
