Amdul1cedm6el Amdul1cedm6el

04-03-2017
Health

contestada

Who discovered penicillin? user: 1. discovered x-rays, 2. designed first microscope.

Respuesta :

kendraruss kendraruss

04-03-2017

Alexander Fleming discovered penicillin. Wilhelm Roentgen discovered x-rays. Hans Lippershey designed the first microscope

Answer Link

Otras preguntas

Lavoisier made an important contribution to chemistry by _____. a) being the first to use the term "atom" b) describing the orbits of electrons c) discovering t

micahs room has four sides and a perimeter of 48 feet. if 3 of the sides are 12 feet long, how long is the fourth side?

The Declaration of Independence was written to

Paula reads an average of 20 pages each day she has six days to read 10 to the second power pages will she finish her reading in 6 days explain

which work best represents a revolutionary shift in the structure of writing during the modern era

how does the speaker in "stopping by woods on a snowy evening" show his level of commitment? a. he admires the frozen lake and the nearby farmhouse. b. he rests

what are the action and reaction forces when a hammer hits a nail

How many different arrangements of the letters in the word \"PURPLE\" are there?

Entitlement programs such as Social Security fall into what type of federal spending category?

x + y = 5. --------------. 3x + z = 2. --------------. 4y – z = 8 . x=? y=? . z=?