Maria lanzó una pelota hacia una duna de
arena en la playa. La pelota dejó una
huella circular en la arena. ¿Cuánto mide
aproximadamente el diámetro de la marca
circular con relación al radio?

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

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist