Which of the following is not a trace element in living organisms?
A) iron
B) copper
C) zinc
D) carbon
Correct Answer:
Verified
Q54: Q55: Natural organic compounds typically consist of some Q56: The muddy Mississippi River,transporting soils that have Q57: Perpetual motion machines without an additional energy Q58: When a windmill turns to generate electricity,the Q60: In the summer,the heater on an automobile Q61: In most energy conversions,such as burning coal Q62: Plants grow as new organic molecules are Q63: Consumers that eat plants rely upon Q64: In the process of photosynthesis,
A)chemical energy
A)potential energy in
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