B. Protein Synthesis
Hope the answer helps >.<
Bone cells called "Osteoclasts" break down bone by secreting hydrochloric acid and enzymes that dissolve the matrix.
Osteoclasts is "a large multinucleate bone cell that absorbs bone tissue during growth and healing"
Sunlight Water and good soil
I believe the answer is A
Pressures can change the state of an environment – e.g. water quality reductions – which then causes impacts such as the loss of biodiversity and ecosystem services provision.