Will mark as

when sugar and iron fillings are mixed together, you can separate them using a magnet. when sugar and iron fillings are mixed and then heated until a chemical reaction occurs you can

a. sift the mixture to separate the iron fillings with a magnet

b. dissolve the sugar in water to separate it from the iron

c. no longer separate the iron fillings with a magnet

d. still separate the iron fillings with a magnet

i'm begging

Called for cell.

It is sure 0 to 4 mm

Hmm this is a hard heterotroph's can't produce its own food. a human can produce it's own food because people kill animals and eat them like squirrel, deer, oak trees need rain which they don't produce the rain, bee's need flowers and pollen and nectar but they don't produce it either, rabbit's don't produce either, because they either steal carrots from your garden and eat leaves.so, the best answer that i would pick is a. humanshope my answer has you and sorry if it doesn't : ) : (