Answer:
adefective adrenal gland can lead to oversecretion of growth hormones
false is your answer............
Answer:
Radon 222.
Explanation:
This is a chemically inert gas that is colourless and odourless but it is radioactive. It is produced by uranium in rock. From seeping through foundation, its accumulation can cause lung cancer. Also, as a radioactive gas, it can be also used to in hospitals to cure ailments which includes tumour , cancer and other diseases.
-4 has one because it is on the line
