Answer:
The answer is A. Invented SCUBA
Explanation:
- Emile Gagnan and Jacques Cousteau were engineers who invented the first SCUBA device, the Aqua-Lung.
- Gagnan's most important contribution to this discovery was his theory that a valve commonly used in gas generator engines would be useful in regulating air supply under water in varying pressures.
As the days get shorter and the temperature drops, this bear overeats and stores food as fat to get ready for hibernation.
When hibernate, bears will keep sleeping so they won't get any food from outside so they need to collect the food before hibernating. They have to eat more food than usual and stored it as fat to keep them from starving. The fats also help keep them warm as they are insulating the heat.
Hey friend..
In some viruses, RNA contains the genetic information. RNA is of three types, they are tRNA (transfer RNA), mRNA (messenger RNA) and rRNA (ribosomal<span> RNA). Messenger RNA, as the name suggests acts a messenger. It carries genetic information sequences between </span>DNA<span> and ribosomes, and it also directs protein synthesis.
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brainlliest?</span>
Answer: D. They must eat in order to gain nutrition
Explanation:
