The answer is that <span>healthy </span>legs<span> have </span>veins<span> with smooth, elastic walls that </span>are<span> perfectly designed to </span>adapt<span> to the changes in pressure within a </span>vein<span>. </span>Veins<span> have </span>valves<span> that keep blood moving in one direction: back toward the heart. As the </span>leg<span> muscles </span>are<span> activated, the </span>venous valves<span> open to </span>allow<span> one-way flow in the direction of the heart.</span>
Answer:
by conserving energy, by keeping fireplaces clean, by using alternate energy resources.
Explanation: Because it is
American Baptist minister and activist who became the most visible spokesperson and leader in the civil rights movement from 1954 until his death in 1968.
He's best known for advancing civil rights through nonviolence and civil disobedience, tactics his Christian beliefs and the nonviolent activism of Mahatma Gandhi helped inspire.
He also helped organize the 1963 March on Washington, where he delivered his famous "I Have a Dream" speech!!
The diseases brought to this continent by the Europeans included bubonic plague, chicken pox, pneumonic plague, cholera, diphtheria, influenza, measles, scarlet fever, smallpox, typhus, tuberculosis, and whooping cough
Answer: Cognitive Bias, Availability Heuristic.
Explanation:
A cognitive bias is a pattern of thought goofs in which a person perceive and evaluate information influenced by the context and framing of such information.
Availability Heuristic is a Cognitive Bias in which people use recent examples in order to evaluate decisions, topic or concepts.
In this case Richard is subject to this cognitive bias in the sense that he is confirming his belief that there are fewer cars on the road just because that's the most recent information he has.
In conclusion, when people