There are many instruments used today to measure the Climate change. The factors affecting climatic change are air pressure, temperature, sea level. There are various kinds of instruments used to measure these factors such as Hygrometer, pressure sensor, thermometer, rain gauge. These instruments are monitored and recorded to observe change in the climatic conditions of a geographical area.
for self pollination, pollen grains are transferred to the stigma of another plant on the same specieswhile on cross pollination is transferred to the stigma of another plant on a differentspeciesofplant.
