Answer:
Solution : Combustion of Liquefied Petroleum Gas (LPG) is a chemical change. Because it is an irreversible reaction and new products, carbon dioxide and water vapour are formed and lot of heat is also produced during the reaction.
If I’m not mistaking it’s the 2nd one plant cell
Answer:
They both function for support
Explanation:
Collenchyma cells gives support to extra structural regions as well as sclerenchyma are responsible for the support of plants.
Answer:
geologists use rock samples and direct evidence to prove what earth's structure is like.
Explanation:
