Answer:
There are five signs of a chemical change:
Colour Change.
Production of an odour.
Change of Temperature.
Evolution of a gas (formation of bubbles)
Precipitate (formation of a solid).
Answer:
Gravity is so strong that even light cannot escape a black hole.
Explanation:
Answer:
Gravity
Explanation:
i dont rlly know where it comes from...
answer: elements are on the periodic table
