me too, I woke up feeling like that
They need energy to produce oxygen
Given what we know, we can confirm that the significant increase in oxygen in the Earth's atmosphere 2 to 2.5 billion years ago is due to cyanobacteria.
<h3>What are cyanobacteria?</h3>
These are tiny bacterial organisms. They were amongst the first organisms to use photosynthesis to sustain life. The sudden boom of cyanobacteria accounts for the rapid increase in oxygen given that they will use carbon dioxide to produce sugar through photosynthesis, expelling oxygen in the process.
Therefore, we can confirm that the significant increase in oxygen in the Earth's atmosphere 2 to 2.5 billion years ago is due to cyanobacteria.
To learn more about cyanobacteria visit:
brainly.com/question/832454?referrer=searchResults
Answer:
<em>Before epiphyses closure</em>
Explanation:
Somatropin is also known as the growth factor or Human Growth Hormone. The human Growth Hormone is involved in the growth of a cell, in the regeneration of cell and cell reproduction.
Epiphyses can be described as expanded, long, round ends of bones which are present in animals and humans. It helps in the growth of bone. Hence, the somatropin should be given to the child before the closure of epiphyses.
