I'd say option B. Vitamin D and Calcium are needed to have strong bones, so it'd be most logical for this to be the answer.
Hope this helps!
The DNA is being replicated during the S phase.
Answer:
AB
O
A
B
the AB blood type is created (mostly) by someone with A blood type making a baby with someone with B blood.
Explanation:
Answer:
B
Explanation:
The plains have large rivers flowing through them. Every living creature or plant that grows requires water, so the answer is B.
Fertilizers are needed by very large farms. It is what makes it possible to grow enough grain to have excesses to sell.
Pesticides are also needed. Insects abound in many sparsely populated areas.
Renewable resources are used, but it is not the answer.
Answer: Option B
Explanation:
The male sparrow does not takes care of the baby sparrow. Such kind of baby sparrow's has very less chances of survival and fledging. They die before this stage due to lack of parental care.
Generally the female sparrow takes care of the baby sparrow and the males fly away. They get involved in mating with the other female sparrow and fathering more eggs.
Hence, the correct answer is option B.