Why were european countries looking for a new route to asia

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?

True or false? correlations can only be negative.

Which of the following is a major difference between appellate courts and courts of first instance? a. appellate courts do not use a jury, only judges.courts of first instance hold appellate jurisdiction exclusively.c. courts of first instance do not use judges and appellate courts do.d. appellate courts hear all criminal and civil cases and courts of first instance do not.