Answer:
The star is moving toward us
Explanation:
The wavelength of a distant object changes due to the change in the distance between the observer and the object. This is known as the Doppler effect.
If the wavelength decreases this means that the wavelength in going towards blue which is shorter wavelength. This is known as blue shift. If blue shift occurs then it means that the object is coming closer to the observer.
Hence, the star described here has blue shifted and is moving closer to us.
Answer:
the correct answer is False
Explanation:
i hope its right
All sources of energy on the planet (excluding nuclear reactions) are ultimately attributable to the sun. 'Fossil fuels' are derived from what once were living organisms, and all sources of food begin with primary producers (plants and algae which utilize photosynthesis).
Answer:
Oxygen is a colorless, odorless gas and it is a life supporting component of the air.
It can be used commonly for one of these 3 things:
1. Respiration
2. Metallurgy
3. Rocketry
Hope it helps! : )
