Question

ACTIVITIES
1. Answer True or False according to the Reading.
The environment in the Pre-Cambrian Era had oxygen at the beginning.
• The first living things that appeared were cyanobacteria.
Amphibians appeared before fish.
• Plants first emerged in water.
• The first fish appeared during the Devonian period.​

Answer 1

Respuesta:

Y donde está el reading?

Answer 2

Respuesta:

Explicación: