Hi the answer is freshwater has more oxygen than seawater.
Hope this helps you.
Air is what you live on. You breathe. You get energy from food. If you hold your breath you suffocate.
The illustrations given are all examples of : Instinct
<h3>Meaning of Instinct </h3>
Instinct can be defined as an action or response to an event that is natural and not premeditated
Instinct is a feature in all animals that they exhibit naturally without thinking or planing when faced with a challenge
In conclusion, The illustrations given are all examples of : Instinct
Learn more about Instinct: brainly.com/question/24444735
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Answer:
Possible environmental contamination.
Explanation:
Answer:
The most important hormone involved in controlling sperm production is a steroid called testosterone. This is produced in the testis itself, by the Leydig cells (see Figure 12a). The testosterone is released from the Leydig cells between the tubules, and taken up by the neighbouring Sertoli cells.
