It's usually d,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
Answer:
Option B.) is correct...
<h2>Speed of Light.. </h2>
Explanation:
<em>We all know the number one traffic rule of the universe – nothing can travel faster than the speed of light. And that happens to be 299,792.458 kilometres per second.</em>
Answer:
- Both release carbon into the atmosphere.
Explanation:
Diffusion is the process whereby gases move from an area of high pressure to low pressure. This includes- Internal respiration - this is the movement in the internal tissues between cells and capillaries, and - External respiration - when gas is exchanged between the alveoli and lung capillaries. Perfusion refers to the blood flow to tissues and organs. Alveoli are perfused by capillaries so the diffusion of oxygen and carbon dioxide can take place.
A constant variable would be an element that remains unchanged and constant throughout the course of the experiment / investigation.
