Answer:
<h2>An activated B cell divides into cells that give rise to memory B cells and plasma cells.</h2>
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Natural gas
explanation:
solar power, coal, and petroleum are used to power things (i.e. produce electricity)
Water can act as either a base or an acid. Water acts as an acid by donating a hydrogen ion when it reacts with a stronger base such as sodium hydroxide. Water may also act as a base when it accepts hydrogen ion when reacting with a strong acid such as hydrochloric acid. This is based on Bronsted concept and definition of a base ( proton acceptor) and acid (proton donor). Such a compound that can act as a base and as an acid is called an amphiprotic molecule.
If a pair of Organisms are capable of producing fertile offspring in nature they must belong to the same species
