If one DNA strand reads CCGTAATGCAT what will be the sequence of complimentary strand be

The galapagos island contain 13 species of finches four of the species are seen here it is believed that all of the species had one common ancestor and overtime

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called