Question

fill up:-
1. The organ of excretion in arthropoda is _
2. The term _ is used in case of calyx and corola.
3. Yeast contains high levels of _ vitamins.
4. The bacteria which is responsible for the disease diarrhoea is _.
5. Vinegar can be prepared from sugars by the action of _.​

Answer 1

Answer:

• Black holes are the most dense objects in the universe. Because of their density, they form extremely powerful gravitational fields. Black holes absorb all surrounding matter and energy within a certain proximity. For this reason, these celestial objects emit no light and therefore do not have a color