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Anit [1.1K]
3 years ago
15

What causes diffusion? *

Biology
2 answers:
koban [17]3 years ago
7 0

Answer: Diffusion occurs due to the random movement of particles. It usually happens due to a concentration gradient, meaning that molecules move from an area of high concentration to an area of lower concentration.

Explanation:

BabaBlast [244]3 years ago
5 0

Answer:

first option

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Answer:

A&B

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Which two pieces of data indicate that Uranus resides in the outer region of the solar system?
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6 0
3 years ago
Some problems with use of DNA analysis for forensic evidence may occur because of
alisha [4.7K]

Answer: Option D " all of the above "

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Identical twins: There are some common fragments of DNA that is same in identical twins so it can be a difficulty in deciding the criminal.

Not enough of a sample: DNA should be present in a detectable amount to be used an sample for evidence, less than this detectable amount is a waste and cannot be used as a sample for evidence.

Contaminated and degraded sample: If the sample of DNA is contaminated or degraded then the result might be incorrect and might not be used as a sample for forensic evidence.

Hence, the correct answers are all of the above.

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3 years ago
Which of the following is not a reason that cane toads became an invasive species Australia?
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Answer: D. They are not well adapted to the Australian climate.

Explanation:

Just took the exam

7 0
2 years ago
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