B because the diploids always line up in the middle on chromosomes
Weathering can be caused by rain,snow,heat,and as well as wind.
Hemoglobin has tetrahedral structure containing four heme groups that surround a globin group.
Heme is ringlike organic compound also known as a porphyrin to which an iron atom is attached. There are four iron atoms that bind four oxygen atoms and transport them to tissues.
