An experiment is carried out to determine the percentage composition by mass of sand and copper (II) sulphate in a mixture. A 10.0 g portion of the mixture is stirred in 200 cm3 of distilled water, until no further change takes place. The resulting mixture is filtered into a clean beaker using a funnel fitted with filter paper.

why is cellular respiration important for homeostasis?

it changes food into energy that the organism can use.

which of the following is most likely to happen if a cell is not able to divide?

the cell will not be replaced when it is damaged.

explanation:

it would be a gas formation

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.