These preparations are called Vaccines. A vaccine is a biological preparation that provides active acquired immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing micro-organism and is often made from weakened or killed forms of the microbe, its toxins or one of its surface proteins.
Answer:
Typically, tortoises live entirely on land, while sea turtles live entirely in the water – they only come on land to lay eggs.
Explanation:
i know a lot about turtles and tortoise
Answer:
We should not touch electrical appliances with wet hands because our body is a good conductor of electricity and since we may get electric shocks. ... Also one should avoid getting wet while touching electrical appliances because water is also a conductor not pure one though
Explanation:
The Use of nitrogen fertilizers near the lake is your answer.