A I believe should be correct
Answer:
Protein
Explanation:
Protein is made up of amino acids that help to grow, maintain and repair different tissues in the body- including muscle.
to be honest me neither dude
<span>The answer is A.
Invasive species are species that thrive unregulated
in an introduced environment/ habitat and
affect the biodiversity of the environment.
They boom unchecked mostly due to lack of a natural predator. Therefore, introducing
a predator will limit their growth. </span>

Last option: Preserve an ecosystem

• The establishment of a bird reservation is a way to preserve an ecosystem because reservation provides suitable environment to organism. A healthy ecosystem means large number of biodiversity.