Counter current flow is the opposite movement of water against the flow of blood in the fish's gills.
Answer: ochers
Explanation: they mixed ocher with iron
<span>In invertebrates both nitrogenous and digestive wastes are eliminated through the anus because the anus is part of the excretory system of the body. It is the opening of the body that is at the opposite end of the mouth after the digestive tract. The anus is found at the end of the alimentary canal where solid waste materials are excreted because they are no longer needed by the body. </span>
Answer:
The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be harmful to fish and other wildlife. As it flows through the soil, acidic rain water can leach aluminum from soil clay particles and then flow into streams and lakes
Explanation:
Hope this helped <3
Answer:
Its c
Explanation:
Its correct because i big brain Ф⊥Ф