Answer:
b. cell x because it has chloroplast.
I Believe the answer to your question is True.<span />
The reasons why 241am smoke detectors are perfectly safe is because;
(i) The amount of americium is very little.
(ii) The aluminium core is where the detector is hosted.
(iii) The detector has a plastic cover.
(iv) Radiation is limited in penetrating power.
(v) There is a low number which is leaving the case.
(iv) ions get trapped by electrodes.
Answer:
20
Explanation:
pressure =force/area
150cm ×2=300cm^2
600÷300=20
I think this is right, you need to put the units on your answer