False. Specific gravity usually means relative density with respect to water. [ ]
Answer:
The answer is Covection.
Explanation:
Convection current occurs where hot / warm air rises and cold air drops and replace it.
You are right, it is B because, endocrine glands, as part of the endocrine system, they regulate and maintain a constant equilibrium in our bodies, known as homeostasis.
Answer: conocimiento
Explanation: Primer conocimiento de una cosa por medio de las impresiones que comunican los sentidos.