"They contain at least one double or triple bond" is true of saturated fatty acid chains. This extra bond is why they are called "saturated", because they had less ability to take on other bonds.
they occur because of the moon and the moon controlled all tides
Answer:
C
Explanation:
Keystone species is the sea otter. Sea otters, playing a critical role in containing the urchin populations, prey on urchins and thus control the numbers of kelp grazers to maintain the forest.
Remember, keystone species is most often a top level predator in an ecosystem.
Collecting and burning natural gas.... could b wrong
Answer:
The reason is because it takes a long time for the light from the stars in the sky to reach earth, so the light the star was producing millions of years ago has just now reached Earth.
Hope this helped! :)