That would be the presence of a magnet anywhere near the compass.
Answer:
chicken noodle soup
Explanation:
Heterogenous mixture is the mixture where you can see differnt parts of it, hence "hetero".
you can see chicken, noodles, and broth in chicken noodle soup
Answer:
hypernova making a black hole, and merger of two neutron stars
Answer:
second is the SI unit of time