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cestrela7 [59]
3 years ago
5

A student is conducting an experiment to determine what type of soil earthworms prefer, wet or dry. Ten earthworms are released

into a cardboard box that contains dry soil on one side and wet soil on the other. Over 24 hours, the student records the number of earthworms on both sides every hour. What component of the above experiment is the dependent variable?
species of worm used
number of trials
average number of earthworms in each type of soil
soil mosisture
Biology
1 answer:
BaLLatris [955]3 years ago
7 0
Wet Soil/Dirt :D hope this helpes
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IgorC [24]

Answer:

↓

Explanation:

I can't really read what you have typed, but the subscripts are the little numbers such as this 2 in H₂O. So using the blue pen, I'm assuming you would circle the little numbers. The coefficients are the numbers in front of the elements so from what I can read, in 2HCl the 2 would be circled in the orange. So in a simple way the subscripts are the tiny numbers that are at the bottom (usually after elements), and the coefficients are normal numbers in front of the whole element.

Hopefully that makes sense! :)

7 0
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Harrizon [31]

False

reason -

Gene testing is not full proof as there are  possibilities of discrepancies in it based on the testing procedures used and the condition of sample. Since we human beings have the same genomic structure there are chances that our DNA may match with other people who do not share a heredity with our family. Basically statistical probability is used to determine probability of paternity, relationship of any kind etc. among two individuals . usually A 99% or higher percentage of probability is considered conclusive. and thus it gene testing can not be considered as full proof

6 0
4 years ago
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Keith_Richards [23]
<span>Rather than being learned, glucose aversion is inherited as an autosomal incompletely dominant trait, which appears to he controlled by a single major gene. This was discovered through a study done on cockroaches, some were fed regular bait while some were fed bait laced with glucose. Through time they began to avoid the glucose.</span>
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SpyIntel [72]

Answer: D. Extinctions occur at higher rates during times of ecological stress when populations and species are poorly adapted.

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