The speed of light in a vacuum is <span>299,792,458 meters/sec, or approximately 300,000 meters/second.
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Answer:
Lived during the time of dinosaurs.
Explanation:
Both types of trees have existed since the time of dinosaurs or earlier.
Answer:
There are Five main compounds but our body need carbohydrate and protein more.
Explanation:
There are five major organic compounds that our body needs for normal metabolic processes. These are- Carbohydrates, lipids, proteins, nucleic acids and high energy compounds. organic compounds are involved in almost all biochemical activities that is related to metabolism. The organic compounds always contain carbon. Carbs act as the source of energy to the body. They converted to glucose, which used in cellular respiration. Lipids act as fatty acids. Proteins have a structural function like keratin in skin and hair. Nucleic acids are large organic compounds that store and process information at the molecular level inside the body cells. High energy compounds like ATP serves as a source of cellular energy.
Organelles exist within cells, which exist within tissues. Communities exist within ecosystems, which exist in the biosphere.
