The answer is b- the crocodile heart has three chambers.
It’s RR. Homo is the same and hetero is mixed. (I hope I remember right)
Fuel combustion from motor vehicles (e.g. cars and heavy duty vehicles)
Heat and power generation (e.g. oil and coal power plants and boilers)
Industrial facilities (e.g. manufacturing factories, mines, and oil refineries)
Municipal and agricultural waste sites and waste incineration/burning.
Oxigen ,nitrogen ,carbon,and hydrogen.
Answer:
seasons are caused by revolutions. hope this helps
