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kiruha [24]
3 years ago
12

Because of metallic bonding, when light is pointed at metals, they become

Biology
1 answer:
Helen [10]3 years ago
8 0
The correct answer is shiny
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1. Melissa raises crickets at her pet store that she
harkovskaia [24]

Answer:

a. Manipulated variable: TEMPERATURE

b. Responding variable: CRICKET CHIRP

c. Controlled variable: Same species of cricket

d. Hypothesis: IF the temperature is increased, THEN crickets will chirp more

Explanation:

Independent variable, also called the manipulated variable, is the variable that is changed or manipulated in an experiment. In this case, the independent variable is the TEMPERATURE.

Dependent or responding variable is the variable that responds to changes made to the independent variable. The dependent variable in this case is CHIRP OF THE CRICKETS.

Controlled variable is the variable that must be kept unchanged for all groups throughout the experiment. The controlled variable in this case is SAME SPECIES CRICKET USED.

Hypothesis is a testable explanation (via experimentation) to an observed problem or a given question. In this investigation involving Melissa, an hypothesis is: IF the temperature is increased, THEN crickets will chirp more.

3 0
3 years ago
American Federation of Labor founder and time
anzhelika [568]

Answer:

The founder was Samuel Gompers.

Time it was founded was Columbus, Ohio on December 8 in 1886.

Explanation:

It’s found on peoplesworld.org

6 0
3 years ago
plants do not revolve around the sun in perfect circles. Their orbits are more like ovals that sciencetist describes as which of
ivolga24 [154]
Do you mean Planets not Plants? If so, I believe your answer would be...

Elliptical

Hope this helps! :)
7 0
3 years ago
Read 2 more answers
Which scientist most likely had a problem with experimental design?
Kazeer [188]

Answer:

Scientist 1 because the rest of them probably learned from his mistakes.

Explanation:

5 0
2 years ago
Read 2 more answers
What is the main problem with comparing the tree of life with the fossil record?
zaharov [31]

Answer:

Darwin gave the concept in evolution of species.

Explanation:

  • As we know the tree of life is quite massive and comparing it needs to be understood well in terms of fossils that were once hidden inside the layers of earth rock masses. The tree is phylogenetic representing the unique ancestral history of every creature.
  • Analyzing their morphological, behavioral and habitats are mostly evaluated in the tree of life  
  • One major challenge is to find the roots of life for the evolutionists.
  • Finding out the nature of the last common ancestor.
  • Some theories suggest that the same ancestor has the same common history of origin may lead to confusion of evolutionist as acing them becomes difficult.
8 0
3 years ago
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