Why Are Ferns Sporophyte Dominant?
In the most primitive plants, like mosses, the gametophyte is dominant (i.e. it’s big and green). In higher plants like ferns and fern allies, the spo…
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Why Are Ferns Not Bryophytes?
They differ from mosses and other bryophytes by being vascular , i.e., having specialized tissues that conduct water and nutrients and in having life …
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Which Refrigerants Must Be Recovered?
Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs Do all refrigerants need to be recovered? Refrigerants should only be reclaimed if the …
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Are Swamp Coolers Bad For Your Health?
One of the biggest health issues with swamp coolers is “mold” and mildew . It’s like an ecosystem up there on your roof. Mold usually grows and builds…
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Can A Bulb Added In A Circuit With Twisted Wires Light Up?
Answer: In this case the light bulb will not turn on because all the current will flow though the path with just a wire and none through the path with…
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Why Were Round Houses Built?
Wind and tsunami waves move naturally around a round building rather than getting caught at (and potentially ripping off) corners. A rounded roof avoi…
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Who Is The Real Father Of Test Tube Baby?
Robert Edwards, pictured holding the world’s first test tube baby, Louise Brown Where is Louise Brown today? She now lives a “very normal life” in sou…
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Why Were Romanesque Churches So Much Larger Than Ones From Previous Periods?
Their churches had to be larger than previous ones in order to accommodate increased numbers of priests and monks and allow access to pilgrims who wis…
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What To Give Plant To Grow Faster?
Fertilizers. The single most effective way of speeding up the growth in plants is plant fertilizers . Plant fertilizers vary in terms of their NPK com…
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Who Was The Architect Of The Pyramids?
Hemiunu Occupation Vizier Architect Priest Title Prince of Egypt Parent(s) Nefermaat and Itet Who was considered as the architect o
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Which US City Is Nicknamed The Mile High City Because Of Its Height Above Sea Level?
At an elevation of 5,280 feet, Denver is nicknamed the “Mile High City” because it sits exactly one mile above sea level. Which city’s nickname is the…
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Who Said Storms Make Trees Take Deeper Roots?
Dolly Parton on Twitter: “Storms make trees take deeper roots ... “ Did Dolly Parton say Storms make trees take deeper roots? Rumor has it country sin…