Carbon is four valence electrons they bond to the other carbon atoms
The abyssal zone is the zone of the ocean where seaweed and fungi are present.
<h3>What is abyssal zone?</h3>
- The abyssal zone is a layer of the ocean where seaweed and fungi are present. "Abyss" is a Greek word which means bottomless. This zone is located at the depths of 4,000 to 6,000 metres.
- So abyssal zone is the zone of the ocean where seaweed and fungi are present.
- The life that is found in the Abyssal Zone includes chemosynthetic bacteria, tubeworms, and small fish that are dark in color or transparent.
- It also includes sharks and invertebrates such as squid, shrimp, sea spiders, sea stars, and other crustaceans
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Answer:
Yes, vaccination should be mandatory because without it all of us would slowly died from not having a cure. According to research people, they said; "vaccination will helps you to stay healthy. It also are important to your overall health such as diet and exercise."
Explanation:
Hypothalamus Gland
Gonadotropin-releasing hormone (GnRH)
Stimulates Pituitary gland to release gonadotropin
Pituitary Gland
Growth hormone Regulates body growth
Thyroid Gland
Thyroxine
Regulates body metabolism
Pancreas Gland
Insulin and Glucagon
Regulates blood sugar level
Adrenal Gland
Epinephrine
Regulates heart rate and blood pressure
Testes
Testosterone
Development of sperms and male characteristics
Ovaries
Estrogen and Progesterone
Development of eggs and female characteristics
The answer is <span>C) crossing over.
</span>The crossover of chromosomes is the exchange of genetic material between homologous chromosomes. If it is known that homologous chromosomes are present only in the meiosis I, it is expected that crossover is occuring meiosis I.<span> Homologous chromosomes pair up in the prophase. Therefore, meiosis prophase I is the phase in which chromosomal crossover occurs. Chromosomal crossover is process that </span>helps make meiotic cells genetically <span>different.</span>
