a slender threadlike structure, especially a microscopic whiplike appendage that enables many protozoa, bacteria, spermatozoa, etc., to swim.
<span>Flagellum ......................</span>
Black death, also known as the bubonic plague was one of the worst pandemics that ever happened, killing around 1/3 of Europe's population. It spread to Europe in the mid 1300's from China.
Black death victims were treated through magic, witchcraft, prayer and other methods. As for the two other options, they used medicine, but not antibiotics and radiation hadn't been discovered yet (it was discovered in the 1900's)
Answer:
the correct answer is f) oxygen because the by product of photosynthesis is sugar and oxygen which is later release into the atmosphere
Answer:
The Presence of Liquid Water
Explanation:
A biological hazard is defined as any biological substance that threatens or may bring harm to the health of a living organism. Such includes virus or toxin samples and medical waste. Based on the given question above, the option that could be a biological hazard is option A. Pesticide.
