can someone help me with my homework?

Question

1. who discovered that disease was caused by bacteria?
2.what are the two elements discovered by marie curie?

Answer 1

1.Koch's postulates (or Henle-Koch postulates) are four criteria designed to establish a causal relationship between a causative microbe and a disease. The postulates were formulated by Robert Koch and Friedrich Loeffler in 1884 and refined and published by Koch in 1890. Koch applied the postulates to establish the etiology of anthrax and tuberculosis, but they have been generalized to other diseases.


2.Dr. Marie Curie is known to the world as the scientist who discovered radioactive metals i.e. Radium & Polonium.
Marie Curie was a Polish physicist and chemist who lived between 1867-1934. Together with her husband, Pierre, she discovered two new elements (radium and polonium, two radioactive elements that they extracted chemically from pitchblende ore)

Answer 2

The following info comes from Wikipedia---

"History"

"The first bacteria were observed by Anton van Leeuwenhoek in 1674 using a single-lens microscope of his own design. The name bacterium was introduced much later, by Ehrenberg in 1828, derived from the Greek word βακτηριον meaning "small stick". Because of the difficulty in describing individual bacteria and the importance of their discovery to fields such as medicine, biochemistry, and geochemistry, the history of bacteriology is generally described as the history of microbiology."

Check out the whole article in Wikipedia.

http://en.wikipedia.org/wiki/Bacteria#History



The 2 elements Madam Curie discovered were polonium and radium. You can read the whole article to better understand what these are and even why she came up with names. Here is the link.

http://en.wikipedia.org/wiki/Madam_Curie

It would be wise of you to read the articles in Wikipedia so you can use the extra information in your answers.

Good luck with the assignment! :)

Answer 3

1. One of the most important people to discover disease was caused by bacteria was Robert Koch
http://en.wikipedia.org/wiki/Koch%27s_postulates
but it may also be Louis Pasteur
http://en.wikipedia.org/wiki/Pasteur

2. Polonium and Radium
http://en.wikipedia.org/wiki/Marie_Curie

Answer 4

The disease discovered by bacetria is fleetwood mac. Two elements are nitrogen and oxygen

Answer 5

1. I don't know

2. Radium & Polonium