Cell A is demonstrating _while Cell B is demonstrating _. A. phototropism, geotropism
B. hydrotropism, loss of water
C. strong turgor pressure, weak turgor pressure
D. positive geotropism, negative geotropism

the earth would become to overheated and everything alive on it will eventually die from overheating. plants will eventually die as well, water will evaporate, and it will be nothing but a hot planet without anything living on it.

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.