Answer:
b. in the middle
Explanation:
your answer choice is correct!
Answer:
Curd is acidic in nature, because an acidic substance has less value of pH. A milkman adds a very small amount of baking soda to fresh milk. Why does he shift the pH of the fresh milk from 6 to slightly alkaline? Answer: By making the milk more alkaline, it takes more time to turn into curd.
Since temperature is constant we use Charles law which relate temperature and volume
therefore From Charles law equation that is T1/v1=T2/V2
T1=80k
V1=3.1L
T2=22+273=295k
V2=?
80k/3.1L=295k/V2
by cross multiplication
V2=(3.1L x295k)/80k=11.43L
Answer: Selectivity of mineral nutrients absorbed by roots
Explanation:
The Casparian strip in the plants are waxy coating found in the roots of the plant which helps in absorbing excess of water into the plants.
These strips thickens the walls, thus preventing the excess of soil solution from being pulled by the roots into the central part of the plant.
It helps in selecting the type and amount of nutrient into the plant but the plant having no Casparian strip will reduce the selectivity of the nutrients.