Answer: Option <em>A. Oak Tree</em>
Explanation: Oak Tree is a example of a producer.
Explanation:
There are two compositions in blood.
1. Plasma (55%)
2. Blood cells (45%)
Again Blood cells is divided into:
RBC ( Red blood cell)
It transports oxygen for respiration.
WBC ( White blood cell):
They help in the formation of antibodies to fight against germs and bacteria.
Platelets:
It plays major role in healing of the wounds.
Answer:
I would have to say c I have learned this type of stuff in the past
