What is the initial source of the energy in all food webs and food chains?

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

What is the best-known carbohydrate?

According to the cladogram, which organisms have roundworms as a common ancestor?