During DNA replication each strand of dna is used as a template to produce a complementary strand of DNA This process is shown below which base will attach to location 2 A) Allimene
O
B) Adenine
O
C) Thymine
O
D) Tyrosine

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.

carbon traps heat so more of it makes it hotter causing global warming. during the ice age carbon levels in the atmosphere were low so it got very cold. so the common things between them is carbon levels in the atmosphere.