On Earth, green plants are useful and needed by animals as they ____.
(i) Provide shelter
(ii) Are food producers
(iii) Produce oxygen
(iv) Produce carbon dioxide
A(i) & (iv)
B(i), (ii) & (iii)
C(ii), (iii) & (iv)
D(i), (ii), (iii) & (iv)
On Earth, green plants are useful and needed by animals as they ____.
(i) Provide shelter
(ii) Are food producers
(iii) Produce oxygen
(iv) Produce carbon dioxide
A(i) & (iv)
B(i), (ii) & (iii)
C(ii), (iii) & (iv)
D(i), (ii), (iii) & (iv)