Duh. It's algebra. Didn't you know that?!
The events of excitation-contraction coupling in cardiac muscle cells are similar to skeletal muscle cells through electrical activity. <span />
The answer is A
Using energy
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:
A macromolecule is a large molecule containing many atoms. The four type are carbohydrates, lipids, proteins, and nucleus acids.
