Why is it important to know a person's rhesus factor before a blood transfusion? A) A patient who is Rh+ can receive only Rh– blood. B) A patient who is Rh– can receive only Rh+ blood. C ) A patient who is Rh+ can receive only Rh+ blood. D) A patient who is Rh– can receive only Rh– blood.

Microorganisms are involved in each of the following processes excepta. smog production.b. food production.c. infection.d. o2 production.e. decomposition of organic material.

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.

How are viruses different from eukaryotic cells?