Answer:
D. Hyperventilation
Explanation:
Hyperventilation is a condition in which you start to breathe very fast. Healthy breathing occurs with a healthy balance between breathing in oxygen and breathing out carbon dioxide. You upset this balance when you hyperventilate by exhaling more than you inhale.
Answer:
The best answer to the question: The change in energy consumption in the United States during the past 100 years is due to: a growth spurt in population, which means an increased need for energetic production and consumption, and also, the appearance of technological advances that require such energetic consumption.
Explanation:
According to statistical data, in the past 100 years in the U.S, the production and consumption of energy, in the form of electrical power, oil, coal and natural gas, has increased significantly compared to a period prior to those 100 years because of the increase in population, the expansion of that population to greater land areas, and most importantly, due to the appearance of technologies that have required such energy. Cars, planes, devices that require power, transportation of different kinds, have grown along with population growth and have marked the difference in the way, and the amount, that energy is consumed in the U.S.
The best answer for the blood vessels' valves would be these are veins that would then help in preventing the back flow of blood because the walls have small muscle to pump the blood back to the heart.Hope this is the answer.
Answer:
Hello, first off sometimes we all say things we don't mean when we are upset. If your friend had no ill intent for the player and feels guilty about what he said then he is a good person. He doesn't need to dwell on this and should just remember how this made him feel when talking in the future. It is important to think how the things you say will affect yourself and others and in the future he can learn from this experience and not make the same mistake again. :)
