Answer:
The different use of the tongue in amphibians and mammalian.
Explanation:
The amphibians use their tongue to catch their prey by providing outward and extending inwards for election and digestion process. The mammals ( humans) use their tongue to taste and roll food into bolus with then goes through the oesophagus down to the stomach.
Servers depression.....from the highs of mania on one extreme, to the lows of depression on the other.
B. earlier invention, C. education through social media, & D. ending food inspection programs
