Specialized cells, tissues, and organs which secrete hormones are part of the
A. digestive system.
B. endocrine system.
C. excretory system.
D. circulatory system.
E. immune system.
Answer: B
Environmental & Atmospheric Sciences
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Personal motion detection in humans takes place in the
A. nose. B. glands. C. spleen. D. ear.
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Why has the Sahel been a focus of attention in recent times? What will be an ideal response?
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What is the significance of addressing ecosystems rather than individual species when it comes to the issue of endangered species?
What will be an ideal response?
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Given an approximate ocean water volume of 1.4 × 109 km3 and a rate of input/output of 320 × 103 km3/y, the residence time of water in the ocean is ________.
A. 4375 years B. 2 months C. 2 hours D. 2286 years E. 2 × 106 years
Environmental & Atmospheric Sciences