Answer: 30 years
Explanation: what is 30 plus 30... 60 it says he died in 1930 and discoverd the thing in 1960 add 30 boom its been 30 years
Answer:
Bolus is the food that is mashed up in your mouth. After it is digested in the stomach, the food is called chyme. Bolus is more alkaline than chyme because it is exposed to alkaline saliva.
Explanation:
(strip cropping) cultivation of crops in strips following the contours of the land to minimize erosion.....
D) a change in protein synthesis
Superior vena cava- upper body inferior vena cava
lower body- bother drain into the right atrium
