When the organic matter in soil decomposes, it creates a layer called topsoil.
Answer:
The most likely preferable option will be - A.
A. Insects.
Explanation:
The basic features of insects -
- Insects have an exoskeleton outside of their body or a shell-like covering on the outside of its body.
- Insects have a body with three segments: head, thorax, and abdomen.
- Insects have two large eyes and a pair of antennae on top of their heads.
- Insects have six legs (3 pairs).
- Insects have two pairs of wings on the dorsal part of their body.
Heat radiation.
This is the form of heat transfer that doesn’t need a medium to transfer through.
That’s how heat from the sun gets to earth, even though empty space is very cold.
The best answer i see is A)- Cooling
i hope this is right and it helps you
Under normal conditions it is not toxic
Adding ammonium nitrate to water turns the mixture cold and is a good example of an endothermic chemical reaction