Evening star., 1932-04-25

noted that the Woolworth Building had
been cleaned. How was it done?-
I. H. N.
A. 1t was washed with plain soap
and water.
Q. What causes a rainbow?-H. A. S.
a. Inc rainbow is caused by the
retractlon and reflection of light by
water drops. The ordinary rainbow Is
on the opposite side of the observer
from the sun (or NOON; is circular,
with its center on the straight line,
projected, from sun to observer: and
It's position is the position of the actual
drops that are, at the moment, pro-
duclng 1t.
@. Can body be shipped into this
country Immediately after a person dies
OF smallpox In a foreign port2-
F. M. p.
A. The Public Health Service saws
that the body OF a person who has C.led
OF smallpox or cnolera cannot pass
through quarantine until one year after
death. Such a body would be buried
at quarantine until the period of the
year Is up.
@. Was the site of Monticello a table
land on top of mountain?-V. G.
A. The top of the mountain was not
nat. Thomas Jefferson had 80 feet
OF soil removed in order to furnish
level ground for his home.
@. Please tell me about the merchant
fleets Of Venice.-W. W.
A. Grove and Cavalcaselle write:
Every year six fleets were formed and
manned and conveyed at the public
expense. The treightage Of the feet
was sold by auction anG any one might
snip his merchandise at the price OF
the day. One squadron sailed to the
Black Sea with goods ror Russia and
Central Asia; another stopped at Con-
stantinople after touching at ports OF
Greece and the islands; a third took
the Armenian traffic to the harbors of
Asia Minor and Syria; a fourth fed
the markets of Egypt through Alex
andria; a fifth, the Moors of Africa
and SPAIN the sixth went through the
Straits to the Netherlands and British
Isles"
@. How many members composed the
Roman Senate?-M A.
A. There were 300 in the Senate Of
Rome. representing the heads of the
800 clans which according to pre-
historic tradition were merged into the
cantonS that formed the Roman Re-
public.
@. What is the piece of metal called
III a piano or harp which is turned to
tune the String?-P. j.
A. 1t is called wrest pin.
G. Who called the first international
peace conference.-the. w.
A. 1t was called by Gar Nicholas Of
Russia May 18, 1899. This was a pre-
liminary conference, and a second was
called for October 81, 1904.
G. My front lawn is shaded most of
the day. What can I do to make the
grass grow?-B. r.
A. To produce a good lawn in shade,
especially in dense shade under trees
and shrubs, Is very difficult matter.
The common lawn grasses are not par
ticularly shade-loving grasses, but they
can be made to thrive reasonably well
in light shade If given proper treatment.
BY thorough watering and the liberal
use of fertilizers the evil effect of shade
can be overcome to some extent. Rough
stalk meadow grass (Poa trivialtS) Is
the best shady lawn grass for the
northeastern part of the United States.
The seed is now commercially available.
@. How much money is spent for ad-
vertising in this country?-G. E. w.
A. 1t has been estimated by the Com
mittee on Recent Economic Changes
that annual expenses for all kinds OF
advertising in the United States total
over $500, 1000.