A. chlorophyll. C. sunlight.
B. water. D. air.
In a flower, pollen is produced in the
A. corolla. C. receptacle.
B. ovary. D. stamen.
A stimulant is a drug that
A. causes hallucinations.
B. renders a small area of the body insensitive to pain.
C. has no effect on the body’s nervous system.
D. seems to speed up body functions.
The most important function of the leaf on a plant is
A. storing food that’s not immediately needed.
B. manufacturing food for the plant.
C. protecting the plant.
D. taking in moisture.
Planting rows of corn alternately with rows of clover is an example of
A. strip cropping. C. planting cover crops.
B. terracing. D. planting windbreaks.
Surface water is important because it
A. furnishes plants with water.
B. provides a supply of drinking water.
C. contributes to the water cycle.
D. supplies water to rivers during dry periods.
2006-07-19
16:51:20
·
6 answers
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asked by
arriallmax
1
in
Science & Mathematics
➔ Biology