Plz hurry it's urgent! which is the correct balanced equation that shows the process of iron oxide (fe2o3) explosively combining with aluminum (al) to produce iron (fe) and aluminum oxide (al2o3)? a. fe2o3 + al → fe + al2o3 b. fe2o3 + 3al → 3fe + al2o3 c. fe2o3 + 2al → 2fe + al2o3 d. 2fe2o3 + 2al → 2fe + 2al2o3

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.