Acertain type of hummingbird is known to have an average weight of 4.55 grams. a researcher wonders if hummingbirds (of this same type) living in the grand canyon differ in weight from the population as a whole. the researcher finds a sample of 30 such hummingbirds from the grand canyon and calculates their average weight to be 3.75 grams.

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the cytokine-activated janus kinase (jak)-signal transducer and activator of transcription (stat) pathway has an important role in the control of immune responses. dysregulation of jak-stat signaling is associated with various immune disorders.

rising sea temps which are causing coral reefs to bleach and die out

glaciers are melting causing sea levels to rise wgich could flood out land

explanation: