antonio23130iscool
antonio23130iscool antonio23130iscool
  • 16-04-2021
  • Biology
contestada

Which observational tool helped astronomers Arno Penzias and Robert Wilson discover the existence of the cosmic microwave background (CMB)?
A.
optical telescope
B.
radio telescope
C.
a digital camera
D.
space telescope

Respuesta :

amanphagura7 amanphagura7
  • 30-10-2021

Answer:

Radio Telescope

Explanation:

Ver imagen amanphagura7
Answer Link

Otras preguntas

What is the second most common cause of firefighter deaths?
which of these would represent the chemical formula for a momer of carbohydrates? A) C6hH1206 B) CHO C) CHO6PS2 D) CHON Saved Photo 
why would the basic nature of humans be a topic of discussion???
what does the word resolution mean here
Use grouping symbols to make each statement true.31) 25-8•3=51 32)9+4•5-3=17
Choose the correct simplification of the expression (−2x + 4y)(3x − 7y).
Many effects of aging can be diminished by ___________.
which two of the following advances did europeans borrow from china
If 12 oz. of sausage contains 300 calories, how many calories w ould 7 oz, contain?
If p^3 is divisible by 80, then the positive integer p must have