1 Define teenage pregnancy. 2 Discuss ONE consequence of teenage pregnancy on: • the individual; and • the parents 4​

i believe it is "they are not used up by reactions" as the answer to your question, text me back if this is correct because i just learned this.

yay can i have brainliest

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex