The function of White Blood Cells (WBC) is to defend the body from various infections. They produce antibodies that help detect and fight the presence of foreign elements (say germs) in the body. They strengthen the defense mechanism, thereby improving the immune system of the body against germs
<span> A. Insects (living) carry seeds (living)to new places, which allow new plants to grow.
B. People(living) plant trees(living) in a city park.
C. A drought dries up a river(not living), so deer(living) have less water to drink.
D. A fungus(living) causes a grove of trees(living) to die.
The answer is C because river is the only not living(abiotic) factor in these case</span>
<h2>Answer:</h2>
Option B
<h2>Explanation:</h2>
A B star is a large, luminous, blue-white star of spectral type B with a surface temperature of 10,200 to 30,000°C. These stars have from 2 to 16 times the mass of the Sun and these type stars are extremely luminous and blue. Since option B shows a blue color that is why we can say that this is the correct choice.
