Which of the following is a qualitative observation?
a the leaf is 9cm long.
b the mass...
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How can you approximate the number of calories required to keep you in energy balance?
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Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?
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Biology, 22.06.2019 07:30
Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided
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