I think that is A is the answer.
Answer:
The correct answer is Dust
Explanation
Dust is a dry dirt in powder form usually found on surfaces of items in a building, it comprises of very small particles of soil, sand and sometimes includes toxic substances, skin cells,bacteria, soil particles, particles of clothing material, tiny pieces of dead insects and pollen
Answer:
A neutron transforms into a proton and an electron.
Explanation:
i took the test got an 100%
Answer:
Explanation:
Density is m/V. Also, 1 liter = 1000
. So, we get 0.890/(5*1000) =
g/cm^3. You can convert this to kg/m^3 as well by multiplying it by 10. Depends which one you want.