D: All the variables are controlled except one.
Answer:
I and II
Explanation:
I. irrigation of cropland & II. harvest of biomass for energy
Answer:
Flowers and cones have different structures. Cones when mature have a woody texture and is made up of scales while flowers have colorful petals, sepals and both male and female reproductive portions are called stamens and pistils.
Explanation:
Answer:I need points 5 please 200000
Explanation:
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