The placenta forms at 8 weeks, and develop for 6 weeks. hope this helps
Answer:
air temperature, air pressure, humidity of the air, amount and kind of cloud cover, amount and kind of precipitation, and speed and direction of the wind.
Because one has rule A so it wouldn't make Sense.
Coal
Coal is a combustible black rock that is formed from prehistoric plant remains. Coal is formed from the anaerobic decomposition of dead plant matter such as trees, ferns, mosses and other marsh plants that grew on the earth surface over millions of years ago. Coal is composed largely of carbon and is usually burned as a fuel.
It all just depends on what genes they carry. You can create a Punnet Square to determine the percentage of obtaining a specific disease.
