What is the importance of nutrient cycles

Which organelle releases chemicals that break down large food particles into smaller ones?

In which terrestrial biome can you find trees that produce cones instead of flowers and needles instead of leaves? have trees that produce cones instead of flowers and needles instead of leaves. the latitudes in this biome have evenly distributed precipitation throughout the year. is it high or low

What best explains the inability for life to exist in earth early atmosphere