According the to Guinness Book of World Records, what is the record for most children born to a single woman?
Russian Valentina, Feodor Vassilyev's first wife set the record for most children born to a single woman. She lived to be 76 and, between 1725 and 1765, had 69 children (16 pairs of twins, 7 sets of triplets and 4 sets of quadruplets); 67 of them survived infancy with the loss of one set of twins.
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How do baby birds get oxygen inside their eggs?
They have a large oxygen supply from the start
Oxygen is created during protein reduction
Oxygen comes in through pores in the shell
They don't need oxygen at all
How deep is the root system of a giant sequoia?
4 meters (13 feet)
20 meters (60 feet)
40 meters (130 feet)
80 meters (260 feet)