Bone Marrow contributes to the production of red blood cells (RBC's)
Answer:
The muscularis externa layer
Explanation:
The muscularis externa layer has three layers of muscle. An innner oblique layer , a middle circular and an external longitudinal layer. The contraction of these muscle layers help to break up the food mechanically.
The answer is b sorry if it’s wrong
After World War II, Americans shifted to more service and agricultural jobs in a way, they decided that they should be more self-sufficient in terms of agronomy, but more importantly, they turned towards service with the rise of consumerism. Consumerism in America greatly dictated how the country has progressed in the past few decades.
B is the right answer for that reason.
