Okra seed contains reserve food which is stored in... A. seed coat
B. seed leaves
C. embryo
D. seed scar​

not sure if this what   you'r looking for would be percent composition

i thinking chemical change

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.