Question 5 which describes an example of genetic engineering? by replacing a defective gene, symptoms of a disease disappear. vitamin a is added to rice to combat blindness. two roses are crossbred to create a rose with a certain shade of pink. over time, the species developed webbed feet.

Which is the best hypothesis for the scientific question "how does light intensity affect the rate of photosynthesis"? a) light intensity, co2 concentration, and temperature are factors that determine the rate of photosynthesis.b) light intensity has no effect on the rate of photosynthesis.c) if the distance between the source of light and the plant is increased, the rate of photosynthesis will decrease.d) light intensity has an impact on the rate of photosynthesis.