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Score: 4.4/5 (4 votes) Although a blackbody does not really exist, we will consider the planets and stars (including the earth and the sun) as blackbodies. ... According to the above definition, a blackbody will emit radiation in all parts of the EM spectrum, but by intuition, we know that one will ...
Score: 4.1/5 (57 votes) 3. In which of the following the secondary reflector faces the primary reflector? Explanation: In Gregorian antenna, sub-reflector is ellipsoidal and has its concave side faces the primary reflector. In Cassegrain, sub-reflector is hyperboloid with its convex side facing the ...
Score: 5/5 (24 votes) Research shows polyphenols can help manage blood pressure levels and keep your blood vessels healthy and flexible, promoting good circulation. They also help reduce chronic inflammation, another risk factor for heart disease. Polyphenols can reduce and help control your blood s...
Score: 4.5/5 (10 votes) After a nail separates from the nail bed for whatever reason, it will not reattach. A new nail will have to grow back in its place. Nails grow back slowly. It takes about 6 months for a fingernail and up to 18 months for a toenail to grow back.How long does a bad nail take to...
Score: 4.9/5 (51 votes) On September 14, 1814, the Battle of Fort McHenry inspired Francis Scott Key to write "The Star-Spangled Banner." The University of Michigan's Mark Clague corrects some common myths about our national anthem.What Battle is referenced in the national anthem?The lyrics com...
Score: 5/5 (19 votes) The earliest recorded event in his life is his call to prophecy as now found in the sixth chapter of the Book of Isaiah; this occurred about 742 bce. The vision (probably in the Jerusalem Temple) that made him a prophet is described in a first-person narrative.How was Isaiah ca...
Score: 4.7/5 (53 votes) Your certificate of registration or naturalisation constitutes legal evidence of your acquisition of British citizenship and should be carefully preserved. ... This is to ensure consistency with the identities in the British passportBritish passportYou must have British natio...
Score: 4.3/5 (38 votes) Benedictine monks were not quite vegetarian by modern standards, though. Eating meat from four-legged animals was prohibited, but they could eat meat from birds and fish.What do Benedictine monks believe?Benedictines make three vows: stability, fidelity to the monastic way of...
Score: 4.4/5 (21 votes) Catholics do not pray to Mary as if she were God. Prayer to Mary is memory of the great mysteries of our faith (Incarnation, Redemption through Christ in the rosary), praise to God for the wonderful things he has done in and through one of his creatures (Hail Mary) and interc...
Score: 4.6/5 (40 votes) They should be replaced about every 70,000 miles on most vehicles. Of course, this may vary depending on your style of driving, the weight of your vehicle, the quality of the braking components, and the use of your vehicle. Just like brake pads, brake rotors should be replace...
