Biology
Grade-8
Easy

Question

    • Universe originated is 20 billion years ago
    • The big bang theory explains to us the origin of universe. According to this theory, universe began as just a simple point then expanded and grow as it is right now
    • Theory of special creation suggests that earth was 4000 years old
    • According to theory of biogenesis,  living organisms arise from pre-existing living forms. It can not arise from nonliving things