Question

can anyone answer both the question the one who answers both the will be brainlist​

Answer 1

Answer:

Cell membrane is the permeable membrane around cell wall which is present in all cells but cell wall is present in only some like plants,algae,fungi etc.Cell wall is absent in animal cells.

and another answer is......

metals are good conductors whereas nonmetals are good insulators.

metals form ionic bonds whereas nonmetals form covalent bonds.

Explanation:

Answer 2

Answer:

physical properties of metal are:-

1) metals have malleability.

2) metals are ductile.

3) metals are shiny.

4) metals are sonorous.

5) metals are good conductor of heat and electricity.

6) some examples of metals are:- iron, copper, gold , silver etc.

physical properties of non metal are :-

1) they are not malleable.

2) they are not ductile.

3) they are not shiny.

4) they are not sonorous.

5) they are not good conductor of heat and electricity.

6) some example of non metal are bromine, carbon etc.

-> cell membrane is present in both animal cell as well as plant cell. It is the outer layer of the cell.

-> cell wall is only present in plant cell . It is the outer most layer of the cell.