A chemical messenger is any compound that serves to transmit amessage. A chemical messenger may refer to: Hormone, Long rangechemical messenger. Neurotransmitter, communicates to adjacent cells.
Answer:
option (C) is your answer
I hope it's helps you
Answer:
<em>Rattus rattus</em>
Explanation:
It's the scientific name of the Black rat. It belongs to under the kingdom of Animalia. It is also known as roof rat, ship rat, or house rat. It is a long-tailed rodent. They are black to light brown with a lighter color underside. There is another type of black rat called Tamed black rats. They are sometimes kept as pets.
Black rats are generally omnivorous. They are harmful to farmers because they eat various types of crops. So, for removing Black rat from the crop fields, farmers follow different types of protective ways.
Answer:
sun and electric heater
Explanation:
sun is the biggest source of heat energy
electric heater is also an example of heat energy as it warms us
between 5.6 and 13 cm long