View Full Document. Ice Pellets Ice pellets (also called sleet) are refrozen snowflakes. They occur when a layer of air aloft is warm enough (> 0 ï° C) to melt snowflakes into raindrops but the air near the ground is cold enough to freeze the drops.
acarid - very small free-living arachnid that is parasitic on animals or plants; related to ticks. 1  mite - any of numerous very small to minute arachnids often infesting animals or plants or stored foods. 2  Acaridae, family Acaridae - mites.
Attenuated familial adenomatous polyposis (AFAP) is a subtype of a condition known as familial adenomatous polyposis, called FAP or classic FAP. People with FAP or AFAP will have an increased number of adenomatous colon polyps during their lifetime and an increased risk of developing colorectal cancer.ttenuated familial adenomatous polyposis (AFAP) is a subtype of a condition known as familial adenomatous polyposis, called FAP or classic FAP. People with FAP or AFAP will have an increased number of adenomatous colon polyps during their lifetime and an increased risk of developing colorectal cancer.