Answer:i am not 100 percent sure but i think the yellow arrows are showing the wasted carbon
Answer:
Physical
this type of weathering is known as freezing and thawing
The periodic table is made up of metals.
Stem cells have the ability to replace damaged cells and treat disease. ... Stem cells, if they can be directed to differentiate into specific cell types, offer the possibility of a renewable source of replacement cells and tissues to treat diseases including Parkinson's, stroke, heart disease and diabetes.