The amount of water vapor in the air would not be high near <span>a.)deserts. i hope this help. have a good day:)
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<span>A) they prevent blood from flowing backwards
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Proteins that function to catalyze biochemical reactions in the body are known as enzymes.
- Proteins called enzymes aid in accelerating our bodies' chemical reactions, or metabolism. Some compounds are created, while others are broken down.
- Enzymes are a part of all living things. Enzymes are created by our bodies spontaneously. However, food and manufactured goods both contain enzymes.
- Proteins called enzymes assist our bodies' chemical reactions move forward more quickly.
- For several processes, including digestion and liver function, enzymes are crucial.
- Health issues might result from having too much or too little of a specific enzyme. Healthcare professionals can also use the enzymes in our blood to diagnose for injuries and illnesses.
Examples of a few enzymes:
- Amylase is an enzyme made in the mouth.
- Trypsin is created in the pancreas
- .The stomach produces Pepsin.
- The pancreas produces pancreatic lipase.
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Answer:
The UN projects that the global population increases from a population of 7.7 billion in 2019 to 10.9 billion by the end of the century. By that time, the UN projects, fast global population growth will come to an end.
Beneath the global level, there are of course, big differences between different world regions and countries. While in some regions the world population will likely grow rapidly for the coming decades other regions will continue to see declining population numbers.
Global population growth is determined by the number of births and deaths. Improving health is increasing the size of the population as it is decreasing mortality. The countervailing trend are falling fertility rates – the trend of couples having fewer children is what brought rapid population growth to an end in many countries already, and what will bring an end to rapid population growth globally.
The global population growth rate has already slowed down considerably: It reached its peak at over 2% in the late 1960s and has been falling since.
The UN projections for the global population growth rates, which have been produced since the 1950s, have a good track record in projecting the size of the global population.
While the UN projections are most widely know there are other very carefully produced projections. The demographers of WC-IIASA model what will happen according to different scenarios and make clear that the population growth rate tomorrow depends on what we do today. Rapid progress in getting children and especially girls into schools will result in a much smaller global population.
The biggest disagreement between different projections is concerning the future of Africa. While the UN projects a 3.5-fold increase of the population of Africa, other researchers find a much smaller increase more likely.
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Answer:
D.Radiant energy does not require a medium through which to travel.
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