18. Which tool is NOT used in weather stations to collect weather-related data on the ground? O A. hygrometer to measure humidity
B. barometer to measure air pressure
(C. anemometer to measure wind speed
O D. seismometer to measure ground movement

in situ hybridization has been widely used for research applications, including clinical cytogenetics, gene mapping, tumor biology and studies of chromosome evolution.

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.