Is an organism in its earliest stage of development. In humans, this is the stuff and defined as the developing organism from the fourth day after fertilization to end of the week. After that unborn baby is usually referred to as the fetus.
To answer this question, let us define first what is a theory. Well, a theory is an idea or hypothesis that explained something. From the given choices, the answer is the letter "C" which is "Rocks break down over time". This is the answer since this is the only the statement that can be proven.
Fatty acid tails = hydrophobic
Phosphate heads= hydrophilic
Flex to the moon and back
Answer:
cleopatra was the last active ruler of the Ptolemaic Kingdom of Egypt
