Answer:
c
Explanation:
since thermal energy is generally about heat transfer, hot to cold or cold to hot, it's most likely C
Thyroxine is an important hormone released into the bloodstream by the thyroid gland in the body. When tyroxine is released into the blood stream, it moves through certain organs such as the kidney and liver, where most of it is changed to an active form known as triiodothyronine. Thyroxine perform important roles in brain development, heart and digestive functions, bone maintenance, controlling muscle and metabolic rate of the body.
Answer:
Egestion
Explanation:
This is because Egestion is the process where undigested food remains is removed or discharged from the alimentary canal as faeces. In Egestion, the food that refuse to digest form faeces and it is remove from the body through defecation. While exrection is the removal of wastes products like urine from the alimentary canal.
In changes the way it looks.
The correct answer would be Fluoride was not used to help protect teeth then
Cavity is not a genetic disease and thus there is no relevance of gene transfer in this case. Thus option A, B and D gets ruled out.
However, flouride in a limited amount is very useful for removing the cavities. Flouride in the foood and water enters the blood stream and make the teeth strong from inside. While the Flouride in Saliva make the teeths stronger and cavity free from outside. It reduces reminization that causes the loss of minerals.
Thus lack of flouride makes the teeth more cavity prone.
