Adrenergic postganglionic neurons release the hormones norepinephrine and epinephrine. Adrenergic postganglionic neurons release the hormones norepinephrine and epinephrine. True False

True

Explanation:

These neurons secrete epinephrine and norepinephrine directly into the bloodstream and not through the synapse. The body of these neurons is located in a ganglion of the paravertebral spine.They are classified as motor vegetative neurons.

The best answer to this would be Proterozoic (although it actually lasted a little less than half by estimates, but it's the longest period.)

It started around 2500 million years ago and lasted till 500 million years ago- 2000 million years long. The estimated age of Earth is 4500 million years old -a little over twice this period