JOSEPINEDELMUNDO2GO
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13. Goiter is the result of the deficiency of iodine in the body. What are the rich sources of iodine? a.milk
b. legumes
c. sea food
d. whole grains
14. Provided below is a list of different substances. Which of these substances are elements?
I. NaOH
III. H2O
II. Cu
IV.N2 C.
a. I
b. II
c. I and III
d. II and IV
15. Which of these compounds listed have 3 different elements? I- NaCl (Salt)
III- C12H220u (Sugar)
II- C2H4O2 (Vinegar)
IV- NaHCO3 (Baking Soda)
a. I and
II b. II and III
c. III and IV
d. I, II and IV​

Sagot :

MAXIMUM95900716218COGO

Answer:

13.c

14.c

15.b

Explanation:

this my own answer if you don't agree it's okay,

if you think my answer is wrong the judgment is up to you then

FATIMAPINANAGO

Answer:

13. C

14. D

15. B. Vinegar and Sugar

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