Cancer cells and virus-infected body cells can be killed before activation of adaptive immunity by . Cancer cells and virus-infected body cells can be killed before activation of adaptive immunity by .
1. Natural killer
2. Cells pinocytosis
3. B lymphocytes
4, Lymphocytes

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 fungi more like an animal? they have a cell wall. they are heterotrophs that absorb their food. they produce seeds and have membrane-bound nucleus. they use sunlight for photosynthesis.

Will camels hump ahrinks. give reason