Will MARK AS BRAILY SMART THING BUT PLEASE HELP

Always use significant figure rules. remember that these rules apply to all numbers that are measurements. if a vector that is 3 cm long represents 30 km/h, what velocity does a 5 cm long vector which is drawn using the same scale represent? a.100 km/h b.60km/h c.50km/h

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity