Answer:
The correct statment would be: "the hormons of the endocrine system exert their action by lock and key mechanism."
Explanation:
The endoncrine system is responsable of the release of hormons under certain conditions, and in different organs, they go trough the bloodstream. The lock and key mechanism is explained as how the receptors block or release hormonos or instead they don´t. The endocrine system is responsable for the reproductive system, and regulates metabolic processes.
Answer:
Diseases
Explanation:
When the colonists came, they brought diseases with them (probably unknowingly). The indigenous people were exposed to these diseases that they were not farmiliar with, so many died.
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Answer:
The difference between gross physical evidence and trace physical evidence is that B. Gross physical evidence is easily seen, while trace evidence is very small.
Explanation:
<u>Gross physical evidence</u> refers to any tangible object found -and easily seen- at the scene of the crime, and may include weapons, biological material and all sort of prints (because they can be pulled off and turned into a legal representation for the purpose of analysis.)
<u>Trace evidence</u> refers to a very small piece of evidence that was left at the crime scene that the investigators use to identify or make connections with a suspect of the crime. These trace materials may include hair, fibers, feathers, soil, etc.
The closest source of marble for Rome was in the Apuan Alps 350 km north of Rome. In fact it was the Romans who started exploiting marble there.