Answer:
nitrogen, phosphorus and potassium.
Explanation:
The three main nutrients are nitrogen (N), phosphorus (P) and potassium (K). Together they make up the trio known as NPK. Other important nutrients are calcium, magnesium and sulfur.
Answer:
Knee joint.
Explanation:
The knee joint is a freely movable joint in the body. Usually allows a slight degree of movement.
An organ is a group of tissues working together to perform specific functions. An example of an organ is the heart.
Answer:
14 chromosomes
Explanation:
Each gamete will get half of the number of the original chromosomes
