Technically there is no direct connection between air pressure and humidity. Humidity is the amount of water vapor in the air or air parcel. Air pressure is its weight of the air in a column, the true connection is in the temperature.
Coronal according to quizlet
The sclerenchyma is the tissue in which creates the plant firm and hard. The two kinds of sclerenchyma cells exist fibers and sclereids. Their cell walls be made up of cellulose, hemicellulose and lignin. The sclerenchyma cells are the principal associate cells in plant tissues that have come to a close elongation.
RNA polymerase (green) synthesizes RNA by following a strand of DNA. RNA polymerase is an enzyme that is responsible for copying a DNA sequence into an RNA sequence, duyring the process of transcription.