Question

B. Fill in the blanks.
1. Night blindness is caused by the deficiency of
2. Anaemia is caused by deficiency of
3. Dengue fever spreads through
4. Deficiency diseases are
diseases.​

Answer 1

Answer:

1 vitamin A

2 iron

3 housefly

4 Intrinsic disease

Explanation:

helpful

plz brainliest

Answer 2

1. vitman c

2.vitamin b

3. female mosquito

4. lack of vitamins