Biology, 26.08.2019 16:30 deaishaajennings123
If you start with 100 grams of radioactive carbon in 50 grams remain after 5730 years what is the half-life of the isotope
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After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.
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Biology, 21.06.2019 23:00
Which of the following is not a defining characteristic of plants?
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Biology, 22.06.2019 00:00
Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating
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Biology, 22.06.2019 04:00
Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone
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If you start with 100 grams of radioactive carbon in 50 grams remain after 5730 years what is the ha...
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