Which of these is considered a native element a) pyrite b) galena c) platinum d) cinnabar

Ecosystems involve living organisms interacting with non-living things in a productive way; how is photosynthesis an example of this? answer, i will give brainiest to first person to get it right.

Works together in the synthesis, modification, packaging, and transport of lipids and proteins

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it