"Tissue" is a little ambiguous here. If you mean "tissues like for example Kleenex", they're white because the wood pulp used to make them is bleached so that it will be white (the natural color would be a sort of brownish, but that looks "dirty", so they're usually bleached first and then re-tinted if desired).
PlantsWaterAirVegetables
Chalk has always been a useful compound, in its natural state, it was used during prehistoric times for cave paintings, and it is still used today.
As a fuel, natural gas is convenient and efficient. It is used primarily for heat, in industrial, commercial and residential settings. In many homes the house and water are heated by gas, the food is cooked with it and clothes dried.
"Historically, first gas odorization was carried out in Germany in 1880's by Von Quaglio who used ethyl mercaptan for detecting gas leakages of blue water gas."
People started calling the President's home the White House after it was painted white after it was charred by the British in 1814. The term may have been used before 1814, but the natural stone was not as white as the white paint. Theodore Roosevelt was the first to use term White House on his official stationery.
me
unknown
It is called the white house because it is painted white.
john tyler
Theodore Roosevelt was the first president to use "White House" on his official stationery. The term had been in use for many years and others may have used the term ,
white
Electricity was first used in the White House in 1891. The president of that time was Benjamin Harrison. Apparently, he and his First Lady feared electrocution and always had a member of the Presidential staff turn the lights on and off.
yes. The US Presidents have lived in the White House since 1800.
Although George Washington was the first President of the US and served for two terms, he was never "in" the White House. The first president to live in the White House, then called the President's Palace or the Presidential Mansion, was John Adams. Further, it was not called the White House, even informally, until 1811 at the earliest. That term was not used as a formal or official designation until 1901.
The White House is what president's official home is called. This used to be an unofficial name for the executive mansion but at some point became the name that is universally used. Theodore was the first to use "White House" on his official stationery.The official executive mansion provided as a home for US presidents is usually called the White House, located in Washington D.C.
In 1923, President Calvin Coolidge gave permission for the first Christmas tree on the White House lawn. The decorations used for this first Christmas tree were nearly 2500 electric bulbs in the colors, of red, white, and green.