Scientists think that algae first evolved approximately 2.7 billion years ago, and soon after this oxygen began to exist in the atmosphere. Photosynthesis by primitive plants and algae released oxygen, which gradually built up in the atmosphere.
Explanation:
Answer:
Mucho Gusto, #1.
Explanation:
Mucho gusto means nice to meet you. Hasta Luego means goodbye and buenas tardes means good night.
Answer:
1:c 2:b 3:b 4:a 5:d 6: ablan 7: caminando 8: cuarenta y ocho 9:sesenta y cuatro
Explanation:
Answer:
The right answer is, C. Están hechas.
* Esas camisas están hechas de lana inglesa.
Explanation:
Identifying the narrator and the time that a sentence indicates is the first step that must be taken. this is very important to be able to logically conjugate the verbs, and that these have concordance with what is being expressed.
