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aniked [119]
3 years ago
7

Which of these would not be a VALID scientific theory?

Biology
2 answers:
valina [46]3 years ago
8 0
B, as far as we know humans aren't from space
julsineya [31]3 years ago
4 0

Answer: B Humans originated on earth from outer space.

Explanation:

A scientific theory can be define as the explanation for a phenomena which naturally occur. It is supported and verified by using observatory approach and using appropriate scientific methodology required to obtain the results which are expected to prove the facts.

B Humans originated on earth from outer space. is not a valid scientific theory this is because of the fact that on the basis of many proposed scientific theories and literature the human species was originated on earth and not from the outer space.

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Which of the following statements is true?
KatRina [158]
The answer is c.
RNA is single stranded


This is the answer because DNA is double stranded

DNA does not contain uracil

RNA does not contain deoxyribose sugar
hope this helps!!

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6 0
3 years ago
Read 2 more answers
DV
Georgia [21]

That question, this incomplete. The full question is:

3. Three redwood trees are kept at different humidity levels inside a greenhouse for 12 weeks. One tree is left outside in normal conditions. The heights of the trees are measured once a week. What are the dependent variables, independent and the controlled variable of this experiment?

Answer:

  • Independent variable: different humidity levels
  • Dependent variable: the heights of the trees
  • controlled variable: the types of trees

Explanation:

An independent variable is one that exerts an influence within the experiment and can be measured, acting on other elements to promote the observation of a result. As the experiment seeks to observe the influence of humidity on the height of the tree, we can say that humidity is the independent variable.

Dependent variable is that which is influenced by the independent variable to generate a result that can be observed, can also be measured. As the experiment wishes to analyze how the height of the trees was affected by the level of humidity, we can say that the height of the trees is the dependent variable.

Controlled variable is that which is present in the experiment in a constant and equal way, cannot be measured. This variable is the type of trees.

4 0
3 years ago
I need help on #13 please
eimsori [14]
Earthquakes occur along faults because they're under pressure.
Faults are cracks in the Earth where the tectonic plates are moving in different directions, thus there is a pressure.
4 0
3 years ago
Read 2 more answers
Guys I need help with the first one pls I will appreciate it
zhuklara [117]

Answer:

I'm almost positive it's answer c. :)

7 0
2 years ago
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Hellp Thnks a lot pleaseeee
miskamm [114]

Answer:

James Webb Space Telescope

Explanation:

7 0
3 years ago
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