Free entry is going to be your answer
Functional and economically most important mineral in nutrition of layers
is calcium, primary because of egg production, i.e. forming of the egg shell.
<h2>
Answer:A</h2><h2>All life on Earth stores its genetic material inside the nuclei of its cells. </h2>
All life on Earth has DNA. All life on Earth has the same set of mutations in its genes
1.
B
Photosynthetic organisms require light, in which the sun’s rays can only go so far
2.
C
The energy flow pyramid goes from decomposers to producers, meaning that if producers are dying out due to lack of nutrients, there must be something wrong with the decomposer population
The answer is a because I think so