What animals went extinct in the Paleozoic Era? By the end of the Paleozoic, cycads, glossopterids, primitive conifers, and ferns were spreading across the landscape. The Permian extinction, 244 million years ago, devastated the marine biota: tabulate and rugose corals, blastoid echinoderms, graptolites, and most crinoids died out, as did the last of the trilobites. […]
Why have joint families changed into nuclear families?
Why have joint families changed into nuclear families? In the earlier times, most families lived in a joint family system. Since there were many family members living together, the responsibilities were shared. With changing times, the families started to disintegrate and became more nuclear in nature. How has nuclear family changed? Family life is changing. […]
Why was the FEMA created?
Why was the FEMA created? For over 42 years, FEMA’s mission remains: to lead America to prepare for, prevent, respond to and recover from disasters with a vision of “A Nation Prepared.” On April 1, 1979, President Jimmy Carter signed the Executive Order that created the Federal Emergency Management Agency (FEMA). Does FEMA ask for […]
Are 5.0 and 5.8 headers the same?
What is the meaning of the poem digging by Seamus Heaney?
What is the meaning of the poem digging by Seamus Heaney? “Digging” explores the relationship between three generations: the speaker, his father, and the speaker’s grandfather. In doing so, the poem argues, the speaker is in fact paying tribute to his father and grandfather. One doesn’t have to follow in their ancestors’ footsteps exactly to […]
How much is a starter for Ford Escape?
What is the minimum thickness limit for manual UT?
What is the minimum thickness limit for manual UT? BS EN ISO 17640 contains standard ultrasonic inspection techniques for ferritic steel welds. The techniques in general include scans with different angles from either side of the weld. The minimum thickness noted in this standard is 8mm. What are the parameters important in size measurement of […]
Does expecting the unexpected make unexpected expected?
Does expecting the unexpected make unexpected expected? No, because you can never expect something that is unexpected, because it will then become expected. What happens when you expect the unexpected? To not be surprised by an unusual event. Anything could happen, and probably will. Who said the quote expect the unexpected? Oscar Wilde – To […]
How does a dog taste?
How does a dog taste? Studies have shown that dogs have the same four taste classifications that humans do; meaning they can identify sweet, sour, salty and bitter. However, dogs also have special taste buds geared specifically for water. Cats and other carnivores have these taste buds, but they aren’t found in humans. Can I […]