Answer:
1.The great biblical themes are about God, his revealed works of creation, provision, judgment, deliverance, his covenant, and his promises. The Bible sees what happens to mankind in the light of God's nature, righteousness, faithfulness, mercy, and love.
2.Together the Old Testament and the New Testament make up the Holy Bible. The Old Testament contains the sacred scriptures of the Jewish faith, while Christianity draws on both Old and New Testaments, interpreting the New Testament as the fulfilment of the prophecies of the Old.