1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
skelet666 [1.2K]
2 years ago
13

James wants to know which brand of shoe will help him run faster. He thinks the more expensive shoe should be the one that helps

him run faster. He tries three different types of running shoes. He runs one lap on the track with one pair of shoes (shoe A) and times
how long it takes. He rests for 15 minutes. Then, he tries on another pair of shoes (shoe B) and runs a lap around the track, while timing how long it takes. He rests for 15 minutes before repeating the lap with the last brand of shoes (shoe C).

Which type of data did he collect?

a.)observational data
b.)qualitative data
c.)quantitative data
d.)experimental data
Biology
1 answer:
AlladinOne [14]2 years ago
3 0

Answer:

Quantitative date if you do a chart. But sometimes people do it in the way of experimental data. So I would say quantitative

Explanation:

You might be interested in
As opposed to external fertilization, internal fertilization ensures that
Vilka [71]
<span>d. only the fittest of sperm and egg combinations will survive.

Others are external fertilization:

</span>a. all of the sperm will fertilize eggs.
b. sperm and egg will be released simultaneously.
c. the number of sperm and eggs produced will be equal.
<span>e. sperm will be protected until they can unite with the eggs.</span><span>

</span>
4 0
3 years ago
You introduce cyanide to an actively respiring mitochondrion. Cyanide blocks the transfer of electrons from the last cytochrome
enot [183]

Answer:

The answer is true, the pumping of hydrogen ions decreases and finally stopps.

Explanation:

As the cyanide blocks the bindinge site for oxygen, which is normally reduced to water, the pumping of hydrogen from the matrix into the space between the mitochondrial membrane decreases and finally stopps. There is an accumulation of electrons and the components of the respiratory chain are completely reduced, therefore the respiratory chain stopps working.

5 0
3 years ago
Bee wings and bat wings are very different, yet they have a similar function. Scientists consider this an example of _______.
Effectus [21]
I think it is D so try that
4 0
3 years ago
1. What type of succession takes place that increases the biological diversity of an ecosystem? For example, if we started with
professor190 [17]

There are two types of succession that lead to the increasment of the ecosystem:

1. Primary succession is the change in the structure of an ecosystem represented with the increase of the ecological community on an area that has not been previously occupied by an ecological community such as area after the lava flow or glacial lake. The first organisms of primary succession are pioneer plants usually, lichens and mosses.

2. Secondary succession includes the step of removal of pre-existing community and after that, colonization of the new one.  


6 0
3 years ago
This type of reproduction does not involve gametes and produces an offspring identical to its parent: __________________________
Dafna1 [17]
Believe it is called asexual reproduction 
3 0
4 years ago
Read 2 more answers
Other questions:
  • Magma that cools below Earth’s surface forms ____ rock.
    13·1 answer
  • For a mutation to affect evolution
    15·2 answers
  • What distribution pattern has no order as to how it is distributed through an ecosystem
    15·1 answer
  • Which body systems depend on the nervous system?
    11·1 answer
  • Which of the following does cell theory propose
    15·1 answer
  • Suppose that a large river separates two populations of mice. one population is all black, and the other all white. a beaver dam
    10·2 answers
  • interpreting graphics the biodiversity hot spots shown in figure 9 share several characteristics besides a great number of speci
    9·1 answer
  • How do you think the rabbit population affected the fox population over the same ten-year period?
    13·2 answers
  • WILL GIVE BRAINLIEST!!! NEEDED IMMEDIATELY!!!
    11·1 answer
  • Which of the following best describes average speed?
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!