Final answer:
Yes, most cobras and sea snakes are known to have dangerous venom. Their venom is used for hunting their prey and also serves as a defense mechanism. However, not all species pose a lethal threat to humans.
Step-by-step explanation:
Yes, it's true that most cobra and sea snake species are dangerously venomous. Their venom is a complex mix of toxins that can cause a variety of harmful effects in humans. Cobras and sea snakes, found in different parts of the world, are known for their potent venom which is used primarily for hunting prey but is also a formidable defense mechanism against threats. However, not all species are deadly to humans and the effects of the venom can vary, depending on factors such as the quantity delivered and the individual's health condition.
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