Question

Biosphere reserve is a boon for plant and animals

Answer 1

Answer:

What's ur question mate???

Explanation:

Answer 2

Answer:

Explanation:

1.rapid combustion is a form of combustion in which large amount of heat and light energy are released.this often occur as a fire .this is used in a form of machinery, such as Internal combustion engines and in thermoberic weapons

2.spontaneous combustion or spontaneous ignition is a type of combustion which occurs by self heating (increase in temperature due to exotharmic interal reactions) followed by thermal run away(self heating which rapidly acellerate to high temperatures) and finally auto ignition

3.explosive combustion happens when the reaction occurs very rapidly.the reaction occurs when something ignites to produce heat,light and source energy. the simple way to describe is it to call it an explosion. some classic examples are fire crackers or blowing up of dynamite