<span>Atherosclerotic
peripheral vascular disease is symptomatic with at least 50% occlusion. The primary peripheral symptom, due to ischemia, is calf pain.
</span>This disease is a form of arterial insufficiency, which means that blood circulation through the arteries is decreased.<span>Other symptoms include painful cramping in the hip, thigh or calf muscles after certain activities, such as walking or climbing stairs (claudication)<span> and leg numbness or weakness.</span></span>
Answer: The current predicted doubling time is 61years which makes 50years in your option the nearest possible answer.
Explanation:The world's current (overall as well as natural) growth rate is about 1.14%, representing a doubling time of 61 years.
We can expect the world's population of 6.5 billion to become 13 billion by 2067 if current growth continues.
D.
Classical conditioning consists of a learned behavior over time. In this question the bell is stimulating the dogs wanting for food which cues the brain to salivate. Over time, the dog will correlate the bell being rung with food to being time to eat and will start to drool over it whether or not the food is present.
Answer:
B. Fossils showed that all species are the result of gradual changes over time.
<em>I hope this helps you</em>
<em>:)</em>