The macronutrient(s) whose main functions are to contribute the basic building blocks (amino acids) and to synthesize, grow, and maintain tissues in the body is/are .

Protein

Explanation:

This is because protein is a macronutrients and it is the building blocks which is important for building body mass and they are found through out the body, in the muscles, bones, skin, hair e.t.c

Protein can be gotten from both plants and animals.

The animal protein include meat, diary products, fishes e.t.c.

The plants protein include beans, r.t.c.

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: