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Which of these is a specific defense of the body?
A. white bloo...
Biology, 28.03.2020 20:49 idk314159265359
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Which of these is a specific defense of the body?
A. white blood cells
B. oil secretions
C. mucus
D. skin
Answers: 3
Biology, 21.06.2019 20:50
Which type of bond forms between water moleculesstrong bondhydrogen bondcovalent bondpolar bond
Answers: 1
Biology, 22.06.2019 09:30
Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?
Answers: 2
Biology, 22.06.2019 14:30
Even though the ostrich is a flightless bird, ostriches still possess wings that stretch approximately two meters across when fully extended. scientists speculate that when dinosaurs became extinct, some of the birds that lived during that time became land dwellers since they were able to consume the food that the dinosaurs once ate. over time, these species grew larger and heavier. eventually, the ostrich species became too big to fly. the wings found on ostriches are known as a. analogous structures. b. homologous structures. c. vestigial structures. d. symmetrical structures.
Answers: 2
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