Answer:
The answer is A
Explanation:
The teeth grinds the food and that is physical and the saliva breaks down the molecules, so that is chemical
Answer:
B. Macrophage
Explanation:
The macrophage is a large white blood cell that is an integral part of our immune system
Answer: It is A
Explanation: C and D are jokes/ complete lies. B is wrong because Darwin did observe that animals and plants adapted (evolved) to suit their environments.
Answer:
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.