Cellular respiration is the process in which water and carbon dioxide are waste products.
An ecosystem is a level of organization that includes living and non-living things.
The answer is transverse or t tubules. These invaginations into the skeletal muscles cells play a significant role in electrical conductivity of impulse across muscle or cardiac fibres. They regulate calcium concentration and it's release in ion channels hence enabling a forceful contraction of cardiac and muscle cells.
A DUI; driving under influence
Answer:
the cooler air is H, and the hotter air is L
Explanation: Since the cooler air is less dense it has lower pressure, which is why it sinks. the hotter air becomes less dense because the molecules are faster and spread out hence it has less pressure and rises
