Answer:
a) Artery
Explanation:
Arteries, beginning with the aorta extending to smaller branches, carry oxygenated blood away from the heart to tissues supplying them with oxygen.
Answer:
c. mid-adulthood
Explanation:
This stage of life when gray hairs become overwhelming in number and he has more gray hairs than brunette( brown hair) is called middle adulthood. Middle adulthood spans from 20 to 40 years of life which may be defined differently for different culture and country.
Robert is in his late mid adulthood somewhere near 40 at this age hair generally grow grey.
Continental drift is destroying the Earth's crust. Because the continents are slowly moving the earth's crust is stating to crack or create volcano's.