Answer:
Bone.
Explanation:
Calcium is one of the important element present in the body. Calcium plays an important role in the muscle contraction. The calcium ions also acts as a signalling molecule during cell signalling.
The calcium is present in our extracellular fluids, bones, and teeth. The major constituent of calcium is present in the bone. The bone consists of around 90% body;s calcium.
Thus, the correct answer is option (b).
Answer:
The movement and interaction of tectonic plates helps to explain many of Earth's features. Interpret data showing topography, the age of the sea floor, the location of volcanoes, and the location of earthquakes to predict the location and type of plate boundaries in a region.
Explanation:
I think its B if I'm not correct I'm sorry
And get a A+ on the assessment :D