Answer:
The 3.9 billion year old rock has undergone three half-lives (3.9 divided by 1.3 = 3). After 3 half-lives, 12.5% of the potassium-40 remains undecayed.
Explanation:
Fossils usually provide paleontologists with information about each of the following except <span>Fossils usually provide paleontologists with information about each of the following except DNA</span>
<span>(According to Reference)
Whereas an onion epidermal cell has a cell wall, a human cheek cell does not. Instead, a semi-permeable membrane surrounds the cytoplasm of the cheek cell. While there are chloroplasts present in onion cells, they are absent in cheek cells. </span>
Answer: a shotgun with 200 ammo, 100 grenades, and a scar with 100 clips
Explanation:
