Answer:C,D,E
Explanation:I did the USA test prep
Proteins contain Nitrogen aswell as carbon, hydrogen, oxygen and sometimes sulphur
The definition of a biome is the community of many ecosystems in one general area. Many ecosystems can exist in a biome because a biome could have a water ecosystem and a dirt ecosystem.
He is make a inference to the observation that the magnet doesn't stick
Answer:
Un fósil es cualquier resto conservado, impresión o rastro de cualquier ser viviente de una era geológica pasada.