Answer:
The presence of a black hole can be inferred through its interaction with other matter and with electromagnetic radiation such as visible light. ... On 11 February 2016, the LIGO collaboration announced the first direct detection of gravitational waves, which also represented the first observation of a black hole merger.
Explanation:
Answer:
A)
Explanation:
That is the answer A) Constructing this new state-of-the-art swimming facility will take two years.
People can overcome barriers by talking to people and talking about what is causing them to stop.
Answer:
It's A. The suffering and the emotional cost of the Holocaust must be remembered.
Answer:
1A,2B,3C,4B,,5B,6A,7B,8C or 8B.
