D. #4 is the correct answer
Advantages of ploughing the soil are: - Tilling of soil helps in loosening and turning off the soil, the nutrient-rich soil is distributed evenly and also it improves aeration. ... - Improvement in the microbiome of the soil. - Roots can easily penetrate the soil and provide a stronger foothold for the plant.
Answer:
c. the winter
The North Pole is dark for 24 hours a day in <em><u>the winter</u></em>
Hope this helps!
<span>Answer:
Macrophages- WBC that combat multi-cellular parasites.
Neutrophils- most abundant type of WBC which identifies and produces antibodies.</span>