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kow [346]
3 years ago
15

Is acid rain causing a decline of frog population? (variables/scientific method)

Biology
1 answer:
Oksi-84 [34.3K]3 years ago
6 0
Yes. Acid rain destroys frog’s and tadpoles’ (young frogs) habitat of lakes and depletes oxygen supply in the lakes.
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Some viruses consist only of a protein coat surrounding a nucleic acid core. If you wanted to radioactively label the nucleic ac
siniylev [52]

Answer: Phosphorous

Explanation:

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Some common materials or substances that can be used to label nucleic acids are flurophore, enzymes, radioactive phosphorous, biotin et cetera.

The nucleic acid of virus is labelled using phosphorous. When this virus will infect the host cell then nucleic acids will be seen separately.

4 0
3 years ago
Science utilizes _______ to determine the best explanations for the natural world.
KIM [24]

The answer is scientific theory. It amalgamates scientific law about objects and events that are widely accepted and tested.  Scientific theory rationalizes phenomenon, that is not rigorously understood, through science. Examples of scientific theories today are the special relativity theory of Albert Einstein.






4 0
3 years ago
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Which of the following is not true regarding the denaturation and reannealing of double-stranded DNA molecules? Which of the fol
aleksley [76]

Answer: "Decreasing the salt concentration of the solution lowers DNA's melting point (Tm)" is not a true statement

Explanation:

Increasing salt concentration would lower the DNA's melting point (Tm), not otherwise.

For instance:

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- 95% formamide at room temperature would completely denature the double stranded DNA.

Thus, higher concentration of salts like urea or formamide lowers Tm, not otherwise

6 0
4 years ago
The loss of color (coral bleaching in coral reef organisms can be a result of
pav-90 [236]
Hello there ^ _ ^

The loss of color(coral bleaching in coral reef organisms can be a result of <span>loss of zooxanthellae.


Good luck!


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7 0
3 years ago
The dermis is the inner layer of the skin that contains within its structure
sveticcg [70]

Answer:

Carrector pill muscles hair follicles

Explanation:

melanocytes and keratin are present in the epidermis

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