The Chesapeake bay is an estuary in United States. The presence of nitrogen and phosphorus in the estuary can cause harm to the aquatic species present there.
The main source of nitrogen in the Chesapeake bay is the agricultural runoff. The pesticides and the herbicides used in the agriculture may come along the runoff and get mixed with large rivers and water bodies. The nitrogen from agricultural runoff accounts approximately 40% of the total sources of nitrogen.
Hence, the correct answer is agricultural runoff.
Answer:
Erythrocytes, leukocytes and thrombocytes
Explanation:
Aplastic anemia is a type of rare condition in which the body stops producing enough new blood cells. This might occur as a result of damage to the stem cells in the bone marrow that produces these blood cells which includes the rest blood cell, the white blood cells and the platelets. The most common cause of this condition is the immune system attacking and damaging the stem cells in the bone marrow.
The answer is Consistency
Answer:
True
Explanation:
Most cells are specialised to perform particular functions, such as red blood cells? that carry oxygen around our bodies in the blood, but they are unable to divide. Stem cells provide new cells for the body as it grows, and replace specialised cells that are damaged or lost.
