Question

3rs please tell answer​

Answer 1

Answer:

supernova is a powerful and luminous stellar explosion. This transient astronomical event occurs during the last evolutionary stages of a massive star or when a white dwarf is triggered into runaway nuclear fusion.

Answer 2

Answer:

The 'Reduce', 'Reuse' and 'Recycle' elements are referred to as the '3 R's' Reducing - Try to reduce the amount of waste you produce, as this is the best way to help the environment