Answer:The answer is tiny organisms known as cyanobacteria, or blue-green algae.
Explanation:
These microbes conduct photosynthesis: using sunshine, water and carbon dioxide to produce carbohydrates and oxygen increase. Additionally, some sources you could use that I used to answer this question was
https://www.scientificamerican.com/article/origin-of-oxygen-in-atmosphere/
Answer:
Mechanical waves carry energy through matter; electromagnetic waves carry energy through space.
pls mark me the brainliest
Genetic engineering is the direct manipulation of a specific gene. I would use it in this scenario
1,bc the prefix auto=self, like in the word autobiography, where this can be translated into self-biography, or self-writing
True ..In animals, the female mitotic sequence produces only one ovum; the other three haploid cells become "polar bodies".
