Answer:
They all contain a transparent part with at least one curved surface that reflects light.
Explanation:
I'm pretty sure they are reffering to Alzheimers.
Answer:Object 1 is denser than Object 2
Explanation:Greater mass Greater density xD
ECM is the extracellular matrix, or the set of extracellular molecules secreted by cells with the purpose to support surrounding cells. In plants the cell wall is the ECM and in mammals ECM can be in the form of fibrils and may constitute a significant portion of the bulk of the organism and it also referred as connective tissue.
