Sir,
I am sorry, if questions and answers selected and posted is waste of time, will
not responding to it more waste of time.
Gopalakrishnan
On Saturday, 21 October, 2023 at 10:18:56 am IST, Rajaram Krishnamurthy
<[email protected]> wrote:
CULTURAL QA 10202320
Q1 Why isthe sea salty? Where did it get its salt from?
KR So didyou mean to say once seawater was tasty but became salty only
later on? Anothersource of salts in the ocean is hydrothermal fluids, which
come from vents in the seafloor.Ocean water seeps into cracks in the seafloor
and is heated by magma from theEarth’s core. The heat causes a series of
chemical reactions. The water tendsto lose oxygen, magnesium, and sulfates, and
pick up metals such as iron, zinc,and copper from surrounding rocks. The heated
water is released through ventsin the seafloor, carrying the metals with it.
Some ocean salts come fromunderwater volcanic eruptions, which directly release
minerals into the ocean.Sodium and chloride are common chemicals even before
sulphur, phosphorus,hydrogen helium etc as all water is saline; but by running
process and heavyquantum of water in the rivers and lakes, heavy solids gets
filtered and enterscrevices if the land or earth, transmitting them as
absorptions in anotherplace where through crevices, water entering takes these
salts from the earth;so river water is sweet and rejected ones are saltier; in
case of reverseosmosis, internal water might get back the salinity perhaps; but
for theprocwess it shall run and shall not churn; have you not seen by churning
frothappears to expand as large; so reverse osmosis can never happen in the
sea.
Q2 Doeslight reach Saturn's surface? If so, what is it like on Saturn
at night?
KR A day onearth is 24 hours; but as Saturn revolves by itself so
speedily, its day isjust 10 hrs and 33 minutes only. Earth 845 days makes earth
equivalent to a year. Saturn will have 2.3 times moredays while earth has a
day. The rings A to G, a gaseous state, is unique in thesense, it creates a lot
of pressure, least light, and except B ring no obviouslight. The southern side
almost 10% is brighter in a part of 10.33 hrs; themoons all around many moons
makes it colder though the Moon TITAN is a liveableplace. The heat generated
in Saturn isso huge that habitability is blank. Sun Rays take almost 10 times
more thanthe earth to get the light.
Q3 What is awaste of time?
KR True majorityof Quora is a waste of time. Can the waste of time of
others become the capitalfor a few? Yes, for so many earning a lot use the
waste of time of thecustomers.
Q4 What wasincredibly expensive twenty years ago, and is completely
worthless today?
KR All thingsbought at the tides is costlier than who bough later;
iphone 12 you can buy fora song which at the tide was 98000 rupees. However, in
economics, customersatisfaction is higher than the cost. K RAJARAM IRS 21
10 23
---------- Forwarded message ---------
From: 'gopala krishnan' via iyer123 <[email protected]>
Date: Fri, 20 Oct 2023 at 19:21
Subject: [iyer123] CULTURAL QA 10-2023-20
To: Patty Thatha <[email protected]>, Iyer
<[email protected]>, Kerala Iyer <[email protected]>
CULTURAL QA 10-2023-20
All the BELOW QA are from Quora digest to me on 20-10- 2023.
Quora answers need not be 100% correct answers
.Compiled and posted byR. Gopala krishnan, on 20-10-2023
Q1 Why is the sea salty? Where did it getits salt from?
A1 Amit Shriqui, Updated Jul 14
The sea is salty, and you might wonder where itgets its salt from. The primary
sourceof salt in the ocean is the continuous process of erosion and weathering.
When rain falls on land, itdissolves minerals, including salts, from rocks and
soil. Rivers carry thesedissolved salts into the oceans over time.
Additionally,volcanic activity and underwater hydrothermal vents contribute
small amounts ofminerals to the seawater. The accumulation of salts, primarily
sodium chloride (table salt), over millionsof years has made the sea salty. So,
it's the combination ofweathering, erosion, and geological processes that give
the sea its saltynature.
Q2 Does light reach Saturn's surface? Ifso, what is it like on Saturn
at night?
A2 Scientist Wannabe, Former Student16h
Light from the sun reaches as far as the Kuiper belt,no matter the time it
takes to reach it.
Saturn isquite far from the sun - about 886 million miles(1.43 billion km).
However,you can still see some light, if not bright, reaching its surface.
Duringsunset or sunrise, you can see a very small glow (which is the sun) in
thehorizon. Also, the large rings orbiting the planet can create unique visuals:
Thesebeautiful visuals occur as a result of water ice and other particles
refractingthe sunlight. But to answer your second question, Saturn wouldlook
incredibly dim at night (which is not a surprise, as light doesn’t quite reach
thenight side of the planer, or any planet in fact), though some light may
reachdue to reflection from the rings.
NOTE:I gave the best answer I can for this and didas much research as I could
for this.I know this is very vague, so if there was anything I missed or
could’ve added,please let me know.
Q3 What is a waste of time?
A3 Matthew Cooper,Young Entrepreneur /BloggerApr 17
Gossiping. Talking about other people does nothingfor you.
Responding to pointless emails. Email may be oneof the biggest time-sucking
black holes.
Too much socializing. Don’t be afraid to tellothers that you’re busy and need
to stayfocused right now.
Online distractions. A source of unlimitedinformation, entertainment, shopping
and amusement right at your fingertips isactually a big time waster.
Too many breaks. Little break can turn into a bigwaste of time.
Q4 What was incredibly expensive twentyyears ago, and is completely
worthless today?
A4 Claire,upvoted1h,Hugh Caley, self-taughtsoftware developer and
system administrator5h
Some time around 1996 I bought an Apple QuickTake 200 digital camera.
I think itcost about $600. The output was color images at 640x480 pixels.
That’s around1/3 of one megapixel.
When I was young my dad built us a dark room. Wehad an old SLR and we’d develop
black and white photos (color was a lot moreexpensive and dangerous for the
kids). I eventually lost interest in doing thework required.
When this thing became available I bought itgleefully, and used it for several
years. Despite the poor resolution I knewthis was the future. No development
required. No film required. I could loadthe pics on my Mac and manipulate them
directly. Color. It was awesome. Thephotos were so poor that they certainly
couldn’t be used in any professionalway. I didn’t care.
Nowadays my iPhone 15 photos have up to 48megapixels. It has hardware zoom and
can shoot wonderful night pictures. But itall started here for me.
My note- In the year 2000, I purchased my HPcomputer for Rs 75000-00, It
hardly worked for 5 years, it had starting problem,PSU problem and mother board
problem. HP replaced mother board in warranty period, stillproblem persisted.
Now I could purchase my Asus laptop for just Rs 38000-00 in 2021. Ifind the
Computer was a little bit waste since the ORIGINAL HP computer did not perform
well for the amountspent in 2000.
Q5 What is the white vapor that planesblow into the cabins?
A5 Rebecca Williams, Credit Analyst(2019–present)Sep 13
The white vapor that you see on planes blowinginto the cabins is actually a
form of condensation,similar to what you see when you breathe out on a cold
day. It happens when the air conditioning system of the plane cools down
thewarm and humid air from the outside, which is brought into the cabin when
thedoor is open.
The cold airlowers the temperature below the dew point, which is the point at
which the aircan no longer hold all the water vapor in it. The excess water
vapor then turns into tiny droplets ofliquid water, which are visible as a
white mist or fog. This is also known asan aerosol of water droplets.
The white vapor usually disappears quickly,as the droplets evaporate back into
the air or mix with the warmer air in therest of the cabin. The air
conditioning system also recirculates anddehumidifies the cabin air, making it
dryer and less prone to condensation. The white vapor is harmless and doesnot
affect the safety or comfort of the passengers or crew. It is morecommon in hot
and humid climates, especially in summer, and when the plane isparked on the
ground.
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