I believe it is B.Agricultural revolution
<span>The system that responds by delivering more oxygen to these cells is the circulatory system. The circulatory system, often referred to as the cardiovascular system, allows blood to circulate throughout the body to transport important nutrients to the body.</span>
Answer:
The mass of a pendulum's bob does not affect the period. Newton's second law can be used to explain this phenomenon. In F = m a, force is directly proportional to mass. As mass increases, so does the force on the pendulum, but acceleration remains the same.
Explanation:
The answer is B since climate change is already a huge issue in today’s society