Briefly explain how trees obtain their building blocks for growth
What will be an ideal response?
ANS:Trees
use carbon dioxide from the air and water from the soil to manufacture simple sugars in their
leaves. The leaves then use additional carbon, hydrogen, and oxygen to convert simple sugars to
complex sugars and starches. Nitrogen and minerals from the soil are then used to manufacture
proteins, which are the building blocks for growth and reproduction.
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What is the difference between a V-belt a flat belt and a synchronous belt?
What will be an ideal response?
The ____ system is used to provide automatic signals to signal the beginning and ending of shifts, lunch periods, and breaks.
A. master clock B. program C. fire alarm D. atomic clock
For every 15° above 77°, the life of a lead-acid battery is _____.
a. reduced by 15% b. reduced by 20% c. reduced by 50% d. increased by 20%
The main disadvantage of using buffers is ________
A) it increases power dissipation B) it increases signal propagation delay C) it inverts the buffered signal D) it increases part costs