Give three reasons a consistent supply of pure water is so critical to plants
What will be an ideal response?
A consistent supply of pure water is absolutely necessary for growth of plants for several reasons:1.
Nutrients in the soil must first be dissolved in water before they can be absorbed through the plant
roots.
2. Within the plant, water carries the nutrients to the leaves. These nutrients chemically combine with
water in the process of photosynthesis.
3. Sugars and other plant foods manufactured in the leaves are then transported throughout the plant by
water.
4. Water helps control the temperatures in and around plants through transpiration.
5. Water gives the plant support by maintaining rigidity in the cells.
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Low voltage current is generated when a strong magnet located in the flywheel passes very close to an
armature coil, a process called ____________________ induction.
Fill in the blank(s) with the appropriate word(s).The process where hydrogen ions from the root hairs replace cations attracted to soil colloids is called
____.
a. ion exchange c. cation exchange b. ion replacement d. cation replacement
Which of the following is not a method used to define the structure of the DS-3 signal?
A) clear channel B) C-bit parity format C) M23 framing format D) ESF
What term refers to the vertical drain lines that carry waste from the home to the sewer main?
A. soil lines B. bent stacks C. branch lines D. stack lines