How do human activities alter abiotic parts of an environment?

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

List two modern organisms that have pentameral symmetry

Which blood cell spend most of their time in the lymphatic system?