The process of petrifaction can include which of the following: • Silica from the ash soaks into the wood, turning it to stone when it dries.
• Volcanic ash bowls into the water.
• Living plants like trees can be submerged in water.
• All of the above.

by drinking easy

very easy

the answer is c.mitochondria. glad to .

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers