Biology, 27.08.2019 03:00 babyjulie61

Which branch of earth science includes the study of the stars?

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Biology, 21.06.2019 15:30, magicalforlife

Aprocess in green plants that involves the use of carbon dioxide and water in the production of glucose and oxygen using the suns energy

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Biology, 22.06.2019 02:00, haleylecompte

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

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Biology, 22.06.2019 07:00, jorgelive5870

In 2001, records showed that local stocks of fish were down worldwide. yet, records of harvests indicated that fish were being taken at records rates. what was actually happening?

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Biology, 22.06.2019 13:20, abolton04

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.