Mrs. Martin is sewing costumes for the play. Each
Tcostume requires 38
centimeters of blue ribbon.
If she is making 50 costumes,
how many meters of blue
ribbon does she need?

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

What factors contribute to the effect an environmental toxin has on the human body?

Need asap plz hurry im being timed when a body cell divides through the process of mitosis, the chromosomes in the daughter cells a. represent only the healthiest chromosomes from the parent cell. b. represent only half of the chromosomes in the parent cell. c. are identical to the chromosomes of the parent cell. d. are formed when chromosomes from the parent cell cross over.