3 years ago

Which of the following describes a study that is “longitudinal”?

1 answer:

7 0

Answer:

A longitudinal study is a observational study that follows the same subjects repeatedly over a period of time, in some cases from birth to death

the same adults are tested at each time point: 20, 30, and 40 years of age

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having that coloration is selected for since many predators will recognize it and stay away. Therefore the common coloration is

garri49 [273]

Answer: Natural selection.

Explanation:

The natural selection is the process by which the organism that best suits the characters will survive and the organism which cannot adapt the changes will die.

The predators feed on their prey and the organism which hides easily in the environment due to its color is safe and the animals that cannot camouflage will die.

This is natural selection that more favored character is carried out over generations and other that cannot survive die.

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3 years ago

while doing an experiment you got stuck and didn't know how to proceed what will you do to continue with the experiment

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Answer:

Look for extra things to do, small details, until you find a big enough one to go off that to continue

Explanation:

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You have studied the gas-phase oxidation of HBr by O2: 4 HBr(g) + O2(g) → 2 H2O(g) + 2 Br2(g) You find the reaction to be first

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Answer:

Explanation:

FIND THE SOLUTION IN THE ATTACHMENT

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slega [8]

A) Ca(OH)2 + CO2 —> CaCO3 + H2O

B) when Ca(OH)2 is reacted with CO2, the CaCO3 produced is a precipitate which turns the solution milky

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3 years ago

Given the equation:

My name is Ann [436]

Answer:

this isnt even a question...

Explanation: what the heck

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