Which statement is true about the plasma membrane? It helps filter waste inside the cell.
It helps plants maintain their shape.
It contains hereditary material.
It helps recognize other cells.

1st one is right..it helps filter waste inside the cell.

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.

no statements shown

the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl