Answer:
Helium
Explanation:
Helium is extracted in a few places in the world, namely USA, Algeria, Russia and Qatar. Helium is abundant in space, where it's produced as a product of the fusion reaction inside stars such as the sun.
By studying the graph and the information given, you can tell that the process that is occurring is ecological succession. This is when ecosystems change over time and develop more over longer periods of time. The correct answer is number 1.
There is one choice missing from this question:
<span>a. narcoleptic fits
b. nightmares
c. apnea episodes
d. night terrors*
The correct answer is "night terrors". Night terrors are intense feelings at the first half of non-REM sleep that is characterized by fear, horror, trembling, shaking. Night terrors are different from nightmares as there are physical effects carried out from night terrors upon waking up such as screaming, crying, and sudden movements.</span>
Stockmanship is a term more common in the beef cattle industry and can be defined as the art and science of handling cattle, or any other farm animal, properly.
