Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Bumi kita ini telah berusia sekitar 4,6 miliar tahun. Sejarah perkembangan zaman di Bumi bisa dibedakan menjadi empat beberapa zaman yaitu zaman arkaekum, zaman paleozoikum, zaman mesozoikum, zaman neozoikum. Kesemua zaman purba tersebut telah lama berakhir, kemudian masuk ke era zaman pra aksara yang umumnya ...
