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dedylja [7]
3 years ago
7

if a scientist used radiometric dating on a rock sample which of the following would she likley be trying to find out​

Biology
1 answer:
USPshnik [31]3 years ago
8 0

Answer:

sedimentary rocks

Explanation:

can be dated using radioactive carbon, but because carbon decays relatively quickly, this only works for rocks younger than about 50 thousand years. So in order to date most older fossils, scientists look for layers of igneous rock or volcanic ash above and below the fossil.

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b. thick wall.

Explanation:

Endospore is a structure formed by some bacteria, that help them survive unfavourable conditions (e.g. lack of nutrients). This survival strategy of some bacteria (usually Gram+ bacteria) help them stay dormant for a while, until stressful conditions stop. A thick wall composed of many layers (exosporium, spore coat, spore cortex, core wall) of the endospore is what provides resistance to different stressful chemical and physical factors such as UV radiation, temperature, chemical damage etc.

5 0
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gladu [14]

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Explanation:

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In what situation must actors focus on the communicative power of slight facial gestures while ignoring the expressive potential
zimovet [89]

Answer:

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Explanation:

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In this shots facial gestures are include the expression and di·a·logue  that express the feelings of the character they play.

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3 years ago
WILL GIVE BRAINLIEST
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