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zhuklara [117]
2 years ago
5

15. Which of the following statements is false? A) scientists study rock layers and fossils when developing the geological time

scale. B) according to the law of superstition the youngest rock layers are at the bottom. C) The oldest known rocks on earth are approximately 4 million years old. D) earth is constantly changing.
Biology
1 answer:
yuradex [85]2 years ago
3 0

Answer:

B

Explanation:

The law of superposition states that rock strata (layers) farthest from the ground surface are the oldest (formed first)

Hope this helps :)

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Consider this scenario between Josh and Julie Josh met Julie in line at a taco truck near campus and noticed she ordered extra h
Artyom0805 [142]

Answer:

The right matching of the scenario in the question are as follows:

1. OBSERVATION: Josh noticed that Julie ordered extra hot peppers and added hot sauce to her food  

2. QUESTION: Josh wondered how to cook spicy Mexican food.

3.  HYPOTHESIS: Josh decided jalapenos would be a good ingredient to add spice to the recipe.

4.  EXPERIMENT: After chopping the jalapenos, he slowly added some to the enchilada filling, tasting as he went until he thought it was spicy enough.  

5. RESULTS: Julie thought the enchiladas were delicious and exactly the right level of spice.  

6. CONCLUSION: Josh determined that since Julie liked the meal, adding jalapenos to the recipe was a good way to make it spicy.

Explanation:

Scientific method is an organized steps of procedures that scientists used to study and gather knowledge about different phenomenons. The systematic steps of scientific method start with observation, the observed phenomenon usually make a scientist to ask questions that he doesn't have an answer to. This will prompt him to formulate an hypothesis and set up an experiment to see if his hypothesis is true or not. The result he obtains from the experiment will determine the type of conclusion he will make about his earlier observation. By following these steps, scientists usually obtain useful  information that bring progress and advancement to humanity.  

5 0
2 years ago
This bird has an eye disease. Why is its lifespan probably reduced?
MrMuchimi
If the bird can’t see .it can’t hunt for food , get resources for a nest , or see prey . Therefore the bird will die quicker
6 0
3 years ago
The relationship in which each codon determines each specific amino acid used for making a protein is considered the ___________
Tom [10]
I think the correct answer from the choices listed above is the last option. <span>The relationship in which each codon determines each specific amino acid used for making a protein is considered the Genetic Code. Hope this answers the question. Have a nice day.</span>
8 0
3 years ago
The structure and function of mitochondria are often used as support for the endosymbiotic theory. Describe two of these propert
GREYUIT [131]
Mitochondria are made from the process called binary fission. This is the cell division utilized by the prokaryotes. It also has circular DNA that is similar in both size and structure in prokaryotic cells. Mitochondria also has its own DNA different than the DNA found in the nucleus of a cell.
3 0
3 years ago
A population of crabs living on a sandy beach exhibits three colors: dark brown, light
PolarNik [594]

Answer:

100% of the progeny will be speckled

Explanation:

<u>Available data:</u>

  • Three colors: dark brown, light  brown, and speckled.
  • The genotypes for these colors are BB for dark brown, bb for light brown, and Bb for speckled.

Cross: dark brown crab  with a light brown crab

Parentals) BB     x     bb

Gametes) B   B        b    b

Punnett square)

                     B        B

            b      Bb      Bb

             b     Bb      Bb

F1) Genotype:

     4/4 = 100% of the progeny will be heterozygous for the trait, Bb

     Phenotype:

    4/4 = 100% of the progeny will be speckled

5 0
3 years ago
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