Weak acids such as carbonic or sulfuric acid react with rocks in the ground, such as limestone. Groundwater reacts with limestone and the dissolving of limestone takes place which forms karst features, such as caverns.
Answer: Hunt and kill other organisms
Explanation:
A predator is a living organism usually animal, that is capable of hunting, killing and feeding on other organisms. The hunted animal is called a prey.
For example:
Lions, tigers, leopards all hunt for antelopes using their good eyesight to find them, their powerful claws to kill and their jaws to feed on its flesh.
Thus, lions, tigers and leopards are predators while antelopes are preys
Answer:
Bacteria and Archaea
Explanation:
The prokaryotes are classified into two domains, the bacteria and the archaea domains. This makes them unique as the other organisms fall into one of the three domains, not in two of them. The prokaryotes come in many different shapes. They all do fall into three categories, bacilli (which are the rod-shaped prokaryotes), spirilli (which are the spiral-shaped prokaryotes), and cocci (which are the spherical shaped prokaryotes).
I think you just answered your question. They encourage adolescents to eat calcium-rich foods because it aids in bone formation, like you said.