Answer:
Oxygen
Explanation:
The circulatory system gets oxygen from the respriatory system and circulates it throughout the body.
Answer: The different layers are a result of lighter parts (such as the continental crust) settling at the surface level and heavier parts (such as iron and nickel in the core) settling in the middle. The layers separate by density, otherwise known as compositional layering. The earth did not always have these layers, as it had to undergo cooling to form some of them (like the continental crust).
Answer: A Puede ser posible un mecanismo de copia de material genético
Explanation:
El material genético, permite ser replicado, mediante la secuencia de doble cadena con el apareamiento de las bases con ayuda de la enzima telomerasa
Without wolves of course, because wolves eat deer :D
A .<span>Decomposition is a chemical change because the organism is broken down into new substances.</span>
