Your answer to #2 is <span>There are several differences between a </span>physical<span> and chemical </span>change in matter<span> or substances. A </span>physical change<span> in a substance doesn't </span>change<span> what the substance is. In a chemical </span>change<span> where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed. </span>
It is O with a little 2 subscript. it represents two atoms of oxygen.
Answer:
a seesaw because when limiting factors go down, the carrying capacity goes up
Explanation:
A limiting factor is the scarcest resource that limits the growth of a population, so, when limiting factors go down, that growth is no longer limited.
To overcome the forces of attraction
intermolecular forces of attraction for the liquids and gases
Which grade would u like to begin with? I can probably help with grade 9 Intro to Chemistry and Grade 10 Naming elements and compounds. That's all
