Answer:
It should be the persians.
Explanation:Technically it is persians since they're referred to that even today although iranians referred to themselves as aryans back then.
Rainwater and rivers/streams
Answer:
305 days
Explanation:
Lactation is ideally 305 days, but in practice it is usually more, followed by a two-month dry period prior to the next calving. A cow's milk yield is influenced by many factors, which are described in more detail in, Efficient Milking.
Protons - positively charged (+1)
Neutrons - Neutral charge (0)
Electrons - Negatively charged (-1)
Protons and neutrons stay inside the nucleus, while electrons circle the outside.
The change to an ecosystem that is brought about by the biotic factors is the the landslide caused by the cattle overgrazing. The answer is letter C. The word biotic means the factor should be living thing (s). Among the choices, only the cattle is living organism.