Coal was formed
a. from trees, ferns, and other plants that predate the dinosaurs
b. from remains of fossilized dinosaurs and the plants they fed on
c. from aquatic organisms buried under silt and sediment
d. beginning almost 800 million years ago

A) from trees, ferns, and other plants that predate the dinosaurs

Explanation:

Just in case they decide to switch the answer letters around.

chordata is the answer

[ answer ]

foliated

[ explanation ]

foliation forms in a rock when pressure squeezes the rock together. the rock then has a design of many different color little lines. there are three types of foliated rock. the types are slate, schist, and gneiss. each type of foliated rock is different based on grain size and foliation characteristics. the lines appear when the rock has been under pressure.

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