Its is called the control group
The answer is B- the forces air puts on the area around it.
Answer:
If the activity of osteoclasts(which demineralize bone) exceeded osteoblast activity(production of new bone), then the bone's mineral content(and thus its mass) would decline, making it weaker.
Answer:
Limestone and Acid Rain. Carbon Dioxide-Bicarbonate-Carbonate Equilibrium ... The buffered water resists changes to pH from additional acid or base. ... Because surface waters are in equilibrium with atmospheric carbon dioxide there is ... The presence of limestone and other calcium carbonate rock in lakes and streams ...
Explanation:
