Ateacher gives a student a non-toxic, odorless, white powder to identify. generate four questions, each regarding a different property of the unknown powder, that could be safely tested and answered in the laboratory.

On a floor there are several 1-4 mm elongated drops leading away from a body lying in a pool of blood. the the forward wall there is a sigzag pattern and on the walls to the right side there is a linear patter

Which chemical equation is unbalanced? which chemical equation is unbalanced

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?