There are FIVE mistakes in the following passage. Find and correct them Petroleum was formed on the ground many millions of years ago. Plants and animals live in the sea sank to the seabed when they died. Their remains mixed with sand and mud in layered deposits, built up slowly over the years. A combined action of heat, pressure and bacteria turned these deposits into petroleum. The petroleum moved slowly upwards to the porous rocks or became trapped there. With the passage of time, land what was once under water rose to the face of the sea. As such, petroleum deposits are now found on or near dry land. Mk hết điểm r /(ㄒoㄒ)/~~

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