Answer:
Bones are organs composed of hard living tissue providing structural support to the body – it's scaffolding. It is a hard matrix of calcium salts deposited around protein fibers. Minerals make bone rigid and proteins (collagen) provide strength and elasticity. ... The outer layer of bone is called Cortical bone.
This is Circulation !!
Pathway of the blood from Heart to Lungs to Heart then the whole body !!
IV: 4 types of nail polish
DV: brand of nail polish that lasts the longest
Control: nails
Constant: bottom coat and top coat
Experimental Group: Nail polish
Hypothesis: The types of nail polish would eventually chip away after a week .
<span>The enzymes are used to cut DNA sequences into smaller pieces. Therefore the answer is D.They break DNA into fragments that vary in size.</span>
