Answer:
C
Explanation:
The principle of superposition states that the oldest sedimentary rock units are at the bottom, and the youngest are at the top. Based on this, layer C is oldest, followed by B and A. So the full sequence of events is as follows: Layer C formed.
Maybe, not sure, may need to check yahoo answers for this one
Answer:
B. Sun -> Algae -> Shrimp -> Red drum
Explanation:
The only way for the Sun to transfer energy is through plants, which rely on sunlight for food.
D. is incorrect, because plants cannot consume other vegetation.