___________ is the most ecologically relevant environmental factor.
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In stems, the protoxylem lies towards the centre and the metaxylem lies towards the periphery of the organ. This type of primary xylem is called _____________.
Which of the following causes fly ash?
What does BOD5 refer to?
Which of the following is the treatment of water pollution?
ISRO built India's first satellite known as _____.
The exchange of materials between blood and interstitial fluid occurs only at the _____.
Limonitic ore is the ore of which metal?
Limonite is one of the two principal iron ores, the other being hematite, and has been mined for the production of iron.