According to finding of scientist, the earth is roughly 4,600 million years old. then the non abundant fossil that they dated was about 3,600 million years old. so the fraction or percent of <span>geologic time is :
3,600 / 4600 = 0.78 or 78 % of earth geologic time</span>
Answer:
1) Sound waves move down the auditory canal toward the eardrum
2) Sound waves cause the eardrum and middle ear bones to vibrate
3) Vibrations are conveyed to the endolymph inside the cochlea, causing the cochlear hair cells to bend
4) Bending of the cochlear hair cells causes ion channels to open, which causes neurotransmitters to be released, which results in activation of the auditory nerve, which sends signals to the brain for processing
James pedaling is the correct answer
A mid-ocean ridge is an underwater mountain system formed by plate tectonics. It consists of various mountains linked in chains, typically having a valley known as a rift running along its spine.
