Answer:
The most common elements, like carbon and nitrogen, are created in the cores of most stars, fused from lighter elements like hydrogen and helium. The heaviest elements, like iron, however, are only formed in the massive stars which end their lives in supernova explosions.
Explanation:
Answer:
temparate deciduous
grasslands
tropical rain forest
taiga
tundra
grasslands
tropical rain forest
temperate deciduous rainforest
Explanation:
Cell wall because their has to be something protecting it.
The element carbon makes long chains forming, single, double or triple bonds with itself.
