D. friction pulls the skates wheels westward
<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>
Answer:
In general, negative selection eliminates from the population very harmful changes to proteins that kill or stop reproduction. ... The authors also found a correlation between genes predicted to be under negative selection and genes implicated in certain hereditary diseases
Explanation:
Well part of the water cycle is evaporation which come from heat which you get from the sun. When the water evaporates it goes into clouds so then it can rain.
Hope this Helps
Cell-tissue-organ-organ system-organism
