Answer:
Option (1), (2) and (3).
Explanation:
Doppler effect may be defined as the change in wavelength due to the the movement of sound or radiowaves travels from the object. The frequency remains same if the distance between the receiver and sender's electromagnetic wave distance is same.
Doppler effect helps to learn about the universe behavior. Hubble used the Doppler effect to study the velocity of galaxy. The galaxy motion can be indicated by the wavelength and light.
Thus, the correct answer is option (1), (2) and (3).
Answer:
Black bear-carnivore
Explanation:
Black bears are omnivores because they eat berries, plants, and meat. Hope this helped and have a great day/ night! :D
The primary organ of digestion and absorption is the intestines.
Answer:
i have no idea sorry
Explanation:
should have done your work:(