Biology, 11.02.2020 05:07 jtbrown0093
A 17-year-old college-bound student receives a vaccine against an organism that causes meningitis. This is an example of a. secondary prevention. b. disease treatment. c. tertiary prevention. d. primary prevention.
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Biology, 22.06.2019 05:30
The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen
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Biology, 22.06.2019 11:30
Which of the following explains why a tree is often used as a model to represent the principle of common descent
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Biology, 22.06.2019 13:50
The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?
Answers: 2
Biology, 22.06.2019 16:20
Fossils of ancestors of the modern horses show a small 4-toed almost dog-like browsing animal named eohippus over time the horses got larger lost toes and changed to a grazing diet what is the best explanation of why this change occurred
Answers: 1
A 17-year-old college-bound student receives a vaccine against an organism that causes meningitis. T...
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