Explanation:
The air pressure will decrease because the air particles are spread out.
That why hot air always travel upwards
Answer:
Depend on how much water there is
Explanation:
Answer: Ecosystem
Explanation: An ecosystem consists of all the biotic and abiotic factors in an area and their interactions. A niche refers to the role of a species in its ecosystem. A habitat is the physical environment in which a species lives and to which it is adapted.
No they cant be mechanical because then something would have to generate their rays through the inventing of a machine.
