What is the difference in the beginning between primary succession and secondary succession? a. secondary succession has water b. secondary succession has soil c. primary succession has soil d. primary succession has water

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

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

What molecule contains an organisms genetic material, passed down from parents to their offspring