Answer: Leeuwenhoek biggest contribution is to the first tenet of the cell theory.
Explanation: the first tenet of cell theory states that every living being is made of cells and even an organism can be made of just one cell able to reproduce by itself.
Leeuwenhoek observations stablish the existence of microscopic structures alive some with movement. This helped other scientists to determinate this structures were cells that can make vital processes such as feeding, breathing or reproducing which are determinant in biological definition of life.
Answer:
The answer would be Diffusion because it does not require the use of energy
It takes to much energy and there's a lot of dirt
The characteristic that the nurse will describe is HIGHER PITCHED.
When it comes to heart beating in children and adults, one major difference between the two is that, the heart sound typically auscultated in children has higher pitch than that of the adults.
Myasthenia gravis and bell’s palsy have no cure
