Lactic acid is produced during anaerobic respiration, which is a form of cellular respiration in which oxygen is not present. Lactic acid is produced when you exercise, and it causes your muscles to become tired. It depends how long until you feel the effects of lactic acid, but getting oxygen to your muscles can slow the build-up. Hope this helps! :)
<span>The so-called Dark Ages were a giant economic Depression which lasted 300 years - and the only way you could survive was out scratching any kind of food out of the soil. But by Medieval times, things were more organized, and people could afford to live in town. There were various jobs - each person no longer had to do everything needed for survival. People could share the things they made and still live.
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<span>Theodore Roosevelt was the 26th U.S. President and lived during the 1800s. He was an author, a soldier and a leader. He saw the world around him based on the many things he learned during his life.</span>
Answer:El feudalismo destacó el hecho de que solo aquellos hombres que podían garantizar protección y seguridad inmediatas de una guerra, invasión y hambre, eran los verdaderos señores. En otras palabras, la sociedad feudal era una sociedad dominada por guerreros.
Explanation:
The correct answer is letter C.
Explanation: The British Empire was the largest empire in human history, dominating nearly a quarter of the planet.
The economic development in the 19th century, was because of the use of the slavers too. For the industrialists they were cheaper and offered a work, a good work for a good price.
