1 Select the true statement about the cycling of matter through Earth's ecosystems.
OA. Cycling of matter began around 1976.
OB. Only animals can cause matter to cycle through an ecosystem.
OC. Matter can only move from plant to plant in an ecosystem.
OD. Cycling of matter occurs every day

Which statement explains which component is likely to be more powerful in explaining a scientific phenomenon? a) component c, because a theory is often passed on possibility and not certainty b) component d, because a hypothesis is often based on possibility not certainty c) component c, because the ability to explain several occurrences in the natural world is a characteristic of a hypothesis d) component d, because the ability to explain several occurrences in the natural world is a characteristic of a theory