Answer:
Element is a substance that cannot be broken down into simpler substances. Atoms are the smallest particle of an element. An element has a fixed composition because it contains only one type of atom.
Sense of smell
Sense of smell is known to
be part of the chemosensory system or chemical senses. It also a warning
system that alert to danger signals such as fire, gas leakage or spoiled food.
Thus, the sense of smell comes from the specialized sensory cells known as
olfactory sensory neurons.
The Ottomans were the first empire to use firearms and gunpowder.
