Question

Match the factors in the first column with their functions in the second coloumn.
Bones
(1) A circus tent
(i)
To provide a structure
(2) A bird
A bird cage
(ii) To move by pushing or pulling
(3)
Rake to remove the dirt
To cover and protect
noticimilor 1:10​

Answer 1

Nitrous oxide, commonly known as laughing gas or nitrous, is a chemical compound, an oxide of nitrogen with the formula N ₂O. At room temperature, it is a colourless non-flammable gas, with a slight metallic scent and taste. At elevated temperatures, nitrous oxide is a powerful oxidizer similar to molecular oxygen.