Answer: High-pressure systems are frequently associated with light winds at the surface and subsidence through the lower portion of the troposphere. In general, subsidence will dry out an air mass by adiabatic or compressional heating. Thus, high pressure typically brings clear skies.
The Rna polymerase binds to a promoter on the dna molecule. A promoter is a specific dna sequence where transcription is initialized.
D) to introduce a gene from a breed in which the problem is less evident