<span>Osteoclasts
</span><span>Are derived from stem cells that produce macrophages
Secrete acids and protein-digesting enzymes</span>
Answer:
The options to complete the question are
1
2
3
4
The answer is nothing else but 2.
Answer:Objective questions
Explanation:
Energy convention: Convection is the motion of a fluid driven by temperature differences across that fluid. When a fluid is heated, the region in closest contact with the heat source becomes less dense due to increased kinetic energy in the particles. Convection is one of the fundamental ways that heat is transferred
Answer:
an experiment
Explanation: Any experiment you do to benefit the world in the name of science
