<span>Distant trees were located closer to the top of the artist's canvas than were the nearby flowers. The artist was clearly using the distance cue known as relative height. The distance cue, also known as depth perception, is related to a subject's varying size. </span>
Your brain stem would be your answer
Hormones are transported through the blood stream to target cells.
Am certain that the factor that prevents us from finding fossils from the Precambian era is that Most rocks from that era are deeply buried. The precambrian is the informal name for the large expanse of time preceding the current Phanerozoic Eon. It began with the Earh's Formation about 4.5 billion years ago and lasted until the advent of multicellular life about 542 million years ago.
The answer is carbon dioxide.
Hope this helps!!
