Science Also known as wolfram, what rare chemical element is one of the hardest metals found in nature? Tungsten
Science With only about 1% of people having it, what is the rarest blood type in the ABO blood group? AB Negative
Science What is the only letter that doesn’t appear on the standard IUPAC periodic table of elements? J
Science It starts in the left ventricle of your heart. What is the largest blood vessel in the human body? the aorta
Science The planet Neptune’s blue color is derived from the absorption of red and infrared light by its atmosphere made of what gas? Methane
Science What layer of the Earth’s atmosphere is the 2nd layer after the troposphere and the layer jets prefer to fly? Stratosphere
Science Often associated with sailors due to long seas voyages in the 15th to 18th century, what illness results from a deficiency of Vitamin C? Scurvy
Science In the taxonomic family of hominidae, what living species is most closely related to humans according to researchers? chimpanzees
Science What is the most volatile of primary acids in wine and can cause it to produce vinegar when exposed to oxygen? Ethanoic or Acetic Acid