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 answer would be A. The DNA is the molecule that has the instructions needed for an organism to develop.
Hope this helps!! (:
Answer:
Inorganic or Mineral Matter.
Explanation:
The mineral matter belongs to one of the physical components of the soil. It is about 45% of total volume of the soil. It contains nutrients like nitrogen, nitrogen, calcium, magnesium, iron etc. It holds water and can also hold air for plant use.
It serves as the home for soil organisms which may improve plant growth. Soil mineral also form the solid part of the soil, providing support for plants and also prevents leaching in soil erosion and evaporation of soil water.
