



1. The Mosquito: it is quite small animal, but it is extremely dangerous parasites. They can spread out the malaria, dengue, and yellow fever. It causes approximately two million deaths worldwide each year. In Vietnam, there are a lot of mosquitoes in countryside during whole year. Worse, people cannot stand outside for a while when the crops are harvested. Scientists have discovered many different mosquitoes. Some of them are not harmful, but aedes aegypts are extremely dangerous. They spread out diseases above.
2. Cobras in Asian: Particularly, in India each year, they cause 50,000 deaths due to snake bite by expansive cobras, although cobra’s venom is not the strongest species. They often live in really hot places. People are really easy to die by one biting. In Vietnam, there are some kinds of cobra, but they are seldom harmful for people.
3. Giant white sharks - Each year, from 30 to 200 people died from shark attack. Giant white sharks often attack swimmers who swim too far the coast. People can die just by one biting, but sometimes people can escape from them by attacking back them. They are really extremely dangerous, but many people like hunting them for business. If you want to see how dangerous they are, you should watch some movie about shark.
4. Release poisonous frogs: they frequently live in the tropical forests of South America. They have more of the venom on their skins that are enough to kill 10 strong people. The colors of that frog are blue, dark blue, black, and slight yellow.
I have an advice for you: if you see some animals that they have homely, weird shapes, you have to stay away from them.
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