Hard simple questions questions This is a list of recently added questions about hard simple questions. Where do crayfish spend winter?At the bottom of the river. Contrary to the popular saying of the racers do not go out in the winter to any exotic place. These freshwater crustaceans winter at their places of living, in minkholes lined up in the clay bank of the river or in the hiding places at the bottom of the water reservoirs.Created by: Adolseasy 78% they are wandering for the warmest placethey are wandering for the warmest place387at the bottom of the riverat the bottom of the river3417buried in leavesburied in leaves147they do not survive winterthey do not survive winter378zoology riddles » In which month is the Earth closest to the Sun?In January. Earth's perihelion occurs around January 3, and the aphelion around July 4. The distance change is about 3.5%, which gives 6.9% increase in solar energy reaching the Earth at perihelion relative to aphelion. Since the southern hemisphere is tilted toward the perihelion, the southern hemisphere receives more energy from the Sun than does the northern over the course of a year. Created by: globalquiz.orghard 44% in Januaryin January6756in Marchin March1016in Junein June4921there is no differencethere is no difference2384Earth riddles » Where was Leonardo da Vinci born?In Vinci. Leonardo da Vinci was born on 15 April 1452, in a farmhouse about 3 kilometers from the town of Vinci, near Florence. His full name was "Leonardo di ser Piero da Vinci", which means "Leonardo, son of Piero, of Vinci". Created by: Park Youn-joohard 49% in Florencein Florence6223in Veronain Verona1454in Orleansin Orleans355in Vinciin Vinci7961Leonardo da Vinci riddles » Where does the name K2 come from?Name of the Karakoram Range. The name K2 is derived from the notation used by the Great Trigonometric Survey. Thomas Montgomerie numbered the most prominent peaks of Kararkoram K1 to K35. Next, these were replaced by local names, but K2 appeared not to have acquired a local name, possibly due to its remoteness.Created by: globalquiz.orghard 55% name of Polish climber - Jerzy Kukuczkaname of Polish climber - Jerzy Kukuczka679the fact it's second in height in the worldthe fact it's second in height in the world4261name of the Karakoram Rangename of the Karakoram Range8107the name "King George II"the name "King George II"1605climbing riddles » How do baby birds get oxygen inside their eggs?Oxygen comes in through pores in the shell. Directly under the shell, there is a small pocket of air. The microscopic pores on the egg surface allow the CO2 to escape and fresh air to get in, so a developing bird can breathe.Created by: Kasiaaverage 62% They have a large oxygen supply from the startThey have a large oxygen supply from the start3178Oxygen is created during protein reductionOxygen is created during protein reduction4961Oxygen comes in through pores in the shellOxygen comes in through pores in the shell20362They don't need oxygen at allThey don't need oxygen at all4070biology riddles » What is inside Swiss cheese holes?Carbon dioxide is produced by bacteria feeding on the lactic acid. In the Middle Ages, the holes were considered a sign of imperfection and cheese makers would try to avoid them.Created by: Kasiaaverage 63% nitrogennitrogen3439carbon dioxidecarbon dioxide27097water vaporwater vapor1513airair10363gases riddles » Play nature quiz and see all the questions.