Answer: This question doesn't have much detail and not all the energy we use comes from the sun. There are multiple sources of energy.
Neuron
Some nerve cells contain axons up to 1 meter long. The neuron which connects the central nervous system (brain and spinal cord) to other parts of the body is the longest cell in the human body.
They both have their own DNA and produce proteins and enzymes required for them to function
Answer:
The Concorde aircraft cruised at Mach 2 at about 19,000 m (62,000 ft), and the SR-71 cruised at Mach 3 at 26,000 m (85,000 ft), all within the stratosphere.
Explanation:
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