1. an atom
2. compound
3. both
4. atom
Frogs have very moist skin, when the come in contact with the salt it burns the frog and quickly dehydrates the frog and can result in death for the frog.
Answer: SECONDARY CELL WALL.
Explanation: When cell wall grow,it becomes thickened,then it further deposits new layers of a different material (different from that of the primary cell wall) from where secondary cell wall is formed.
This secondary cell wall is made up of cellulose,hemicellulose,and lignin.
They function in providing additional strength,support, rigidity to cells and the larger plant.
