The Hadean era was before rocks were formed so I’d say b) . Hope this helps :)
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Types of farming include subsistence farming, mixed farming, nomadic herding, commercial plantation, livestock rearing, etc.
East Asia includes high mountains, vast deserts, cold climates, and Pacific waters. The mostly rugged terrain was formed by the collision of tectonic plates. One result of these natural barriers was to limit people's movement and increase their isolation.
Explanation:
