Most likely the outside atoms that are arranged around the central atom. but you didn't really give any answers. so thats my best guess.
Answer:
In cancer, cells loss their adhesion because protein expression involved in this process is dysregulated
Studies suggest that cell junctions are critical for cancer progression and metastasis
Finally, cancer cells modify the extracellular matrix since this matrix may act as a barrier for the migration of cancer cells
This is an example of...
C) genetic engineering
Organ systems are made up of tissues which are made up of cells.
Hopefully that helps and if u need a brief explanation about that just text me.
Weathering of rocks and soil is the primary way that clays and clayminerals form at the Earth's surface today. ... Factors governing rockweathering and soil formation include the initial type of rock, the ratio of water to rock, the temperature, the presence of organisms and organic material, and the amount of time