What part of a microwave oven protects humans against radiation? 1. glass doors
2. plastic outer covering
3. metal shields
4. magnetrons

c

explanation:

for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .

a. 35°c

b. 25°c

c. 10°c

d. 40°c