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.
The answer is C because the force of gravity on the surface of Mercury is much less than on Earth.
Answer:
a person with whom one has a bond of mutual affection, typically one exclusive of sexual or family relations.
Answer: B. the Pacific Ocean
Explanation: The United States has 16 territories, 2 of which are disputed or 4 according to some texts, with the remaining being undisputed territories of the United States. From the world map attached, majority of these territories are located in the Pacific including American Samoa, Guam, Northern Mariana Island which are all inhabited territories. The other two other inhabited islands are located in the carribean sea ; they are Puerto Rico and U. S virgin Islands. Of the uninhabited territories, Baker Island, Howland Island, Jarvis Island, Kingman Reef, Palmyra Atoll are all located in the Pacific Ocean.
