Answer: something the polar opposite of a pillow.
Explanation:
Let's say, the world hot, hot is opposite of cold.
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:
dont know what your asking
Explanation:
Earth's tilted axis causes the seasons. Throughout the year, different parts of Earth receive the Sun's most direct rays. So, when the North Pole tilts toward the Sun, it's summer in the Northern Hemisphere. And when the South Pole tilts toward the Sun, it's winter in the Northern Hemisphere.
The Andes, a mountain range in south America
Amazon River
Atacama Desert
Aconcagua, a mountain in Argentina
Pampas, region in South America
Orinoco, a river in south America
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