`C_(4)` plants have better productivity because

Assertion :- C_(4) plants show greater productivity of biomass. Reason :- In C_(4) plants there is no photo respiration and maximum absorption of sunlight.

In C_(4) plants , the first product is

C_(4) plants have carboxylations

C_(4) plants have carboxylations

C_(4) plants have carboxylations

Assertion: C_(4) plants are better adapted in tropical and desert areas. Reason: C_(4) plants can perform a high rate of photosynthesis even when the stomata are nearly closed.

Assertion :- C_(4) plants can perform better phtosynthesis even in low CO_(2) level in atmosphere. Reason :- In C_(4) plants there is efficient pumping of CO_(2) to bundle sheath cells.

Flowering plants have evolved outbreeding devices because

Why do the C_(4) plants show better yield and high productivity than C_(3) plants ?