What will most likely happen if the level of carbon dioxide available to a plant is reduced? (A) The plant will take in more water.
B
The plant will take in less nitrogen.
C
The plant will produce more oxygen.
D
The plant will produce less glucose.

D. The plant will produce less glucose.

Explanation:

CO2 i. needed for glucose to be produced. However if there isn't enough co2 then glucose production is reduced,

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

allowed for the prediction of the properties of missing elements.